kworker/u4:8: attempt to access beyond end of device loop5: rw=1, sector=2050, nr_sectors = 1 limit=2048 Buffer I/O error on dev loop5, logical block 2050, lost async page write ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 452732 hardirqs last enabled at (452731): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (452731): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (452732): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (451638): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (451638): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (451601): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 452916 hardirqs last enabled at (452915): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (452915): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (452916): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (452868): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (452868): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (452735): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 453186 hardirqs last enabled at (453185): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (453185): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (453186): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (453114): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (453114): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (452919): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 453370 hardirqs last enabled at (453369): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (453369): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (453370): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (453328): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (453328): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (453189): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 453468 hardirqs last enabled at (453467): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (453467): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (453468): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (453402): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (453402): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (453373): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 454190 hardirqs last enabled at (454189): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (454189): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (454190): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (454148): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (454148): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (453471): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 454286 hardirqs last enabled at (454285): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (454285): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (454286): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (454214): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (454214): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (454193): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 454726 hardirqs last enabled at (454725): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (454725): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (454726): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (454678): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (454678): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (454289): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 454884 hardirqs last enabled at (454883): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (454883): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (454884): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (454824): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (454824): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (454729): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455102 hardirqs last enabled at (455101): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455101): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455102): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455060): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455060): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (454887): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455280 hardirqs last enabled at (455279): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455279): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455280): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455202): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455202): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455105): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455578 hardirqs last enabled at (455577): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455577): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455578): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455536): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455536): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455283): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455764 hardirqs last enabled at (455763): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455763): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455764): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455678): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455678): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455581): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455836 hardirqs last enabled at (455835): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455835): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455836): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455794): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455794): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455767): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 455986 hardirqs last enabled at (455985): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (455985): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (455986): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (455902): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (455902): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455839): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 456084 hardirqs last enabled at (456083): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (456083): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (456084): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (456038): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (456038): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (455989): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 456400 hardirqs last enabled at (456399): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (456399): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (456400): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (456334): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (456334): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (456087): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 456536 hardirqs last enabled at (456535): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (456535): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (456536): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (456494): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (456494): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (456403): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 456764 hardirqs last enabled at (456763): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (456763): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (456764): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (456686): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (456686): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (456539): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 457178 hardirqs last enabled at (457177): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (457177): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (457178): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (457136): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (457136): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (456767): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 457512 hardirqs last enabled at (457511): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (457511): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (457512): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (457440): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (457440): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (457181): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 457598 hardirqs last enabled at (457597): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (457597): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (457598): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (457556): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (457556): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (457515): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 457834 hardirqs last enabled at (457833): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (457833): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (457834): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (457762): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (457762): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (457601): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 457926 hardirqs last enabled at (457925): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (457925): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (457926): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (457882): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (457882): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (457837): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458134 hardirqs last enabled at (458133): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458133): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458134): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458068): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458068): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (457929): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458198 hardirqs last enabled at (458197): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458197): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458198): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458156): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458156): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458137): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458358 hardirqs last enabled at (458357): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458357): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458358): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458272): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458272): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458201): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458438 hardirqs last enabled at (458437): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458437): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458438): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458396): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458396): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458361): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458522 hardirqs last enabled at (458521): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458521): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458522): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458462): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458462): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458441): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458744 hardirqs last enabled at (458743): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458743): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458744): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458700): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458700): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458525): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 458842 hardirqs last enabled at (458841): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (458841): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (458842): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458758): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458758): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458747): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459034 hardirqs last enabled at (459033): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459033): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459034): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (458992): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (458992): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (458845): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459252 hardirqs last enabled at (459251): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459251): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459252): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (459192): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (459192): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459037): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459438 hardirqs last enabled at (459437): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459437): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459438): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (459396): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (459396): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459255): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459582 hardirqs last enabled at (459581): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459581): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459582): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (459510): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (459510): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459441): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459804 hardirqs last enabled at (459803): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459803): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459804): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (459762): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (459762): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459585): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 459902 hardirqs last enabled at (459901): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (459901): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (459902): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (459842): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (459842): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459807): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 460212 hardirqs last enabled at (460211): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (460211): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (460212): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460170): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460170): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (459905): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 460322 hardirqs last enabled at (460321): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (460321): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (460322): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460248): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460248): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (460215): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 460534 hardirqs last enabled at (460533): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (460533): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (460534): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460492): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460492): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (460325): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 460638 hardirqs last enabled at (460637): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (460637): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (460638): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460578): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460578): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (460537): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 460736 hardirqs last enabled at (460735): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (460735): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (460736): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460694): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460694): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (460641): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461024 hardirqs last enabled at (461023): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461023): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461024): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (460952): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (460952): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (460739): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461196 hardirqs last enabled at (461195): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461195): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461196): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (461154): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (461154): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461027): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461468 hardirqs last enabled at (461467): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461467): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461468): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (461408): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (461408): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461199): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461560 hardirqs last enabled at (461559): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461559): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461560): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (461516): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (461516): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461471): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461810 hardirqs last enabled at (461809): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461809): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461810): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (461738): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (461738): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461563): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 461918 hardirqs last enabled at (461917): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (461917): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (461918): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (461876): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (461876): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461813): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 462204 hardirqs last enabled at (462203): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (462203): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (462204): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462144): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462144): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (461921): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 462284 hardirqs last enabled at (462283): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (462283): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (462284): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462242): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462242): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (462207): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 462572 hardirqs last enabled at (462571): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (462571): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (462572): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462488): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462488): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (462287): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 462694 hardirqs last enabled at (462693): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (462693): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (462694): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462652): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462652): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (462575): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 462946 hardirqs last enabled at (462945): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (462945): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (462946): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462864): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462864): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (462697): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463028 hardirqs last enabled at (463027): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463027): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463028): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (462986): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (462986): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (462949): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463138 hardirqs last enabled at (463137): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463137): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463138): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (463072): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (463072): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463031): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463328 hardirqs last enabled at (463327): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463327): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (463286): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (463286): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463141): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463446 hardirqs last enabled at (463445): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463445): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463446): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (463368): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (463368): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463331): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463642 hardirqs last enabled at (463641): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463641): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463642): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (463600): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (463600): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463449): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 463798 hardirqs last enabled at (463797): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (463797): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (463798): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (463714): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (463714): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463645): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464160 hardirqs last enabled at (464159): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464159): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464160): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464118): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464118): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (463801): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464284 hardirqs last enabled at (464283): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464283): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464284): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464216): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464216): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464163): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464474 hardirqs last enabled at (464473): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464473): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464474): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464432): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464432): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464287): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464556 hardirqs last enabled at (464555): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464555): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464556): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464490): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464490): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464477): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464626 hardirqs last enabled at (464625): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464625): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464626): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464584): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464584): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464559): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464870 hardirqs last enabled at (464869): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464869): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464870): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464790): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464790): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464629): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 464964 hardirqs last enabled at (464963): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (464963): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (464964): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (464922): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (464922): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464873): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 465184 hardirqs last enabled at (465183): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (465183): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (465184): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465118): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465118): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (464967): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 465318 hardirqs last enabled at (465317): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (465317): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (465318): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465270): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465270): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (465187): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 465552 hardirqs last enabled at (465551): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (465551): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (465552): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465486): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465486): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (465321): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 465700 hardirqs last enabled at (465699): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (465699): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (465700): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465658): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465658): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (465555): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 465914 hardirqs last enabled at (465913): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (465913): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (465914): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465848): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465848): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (465703): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 466024 hardirqs last enabled at (466023): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (466023): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (466024): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (465982): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (465982): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (465917): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 466250 hardirqs last enabled at (466249): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (466249): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (466250): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (466184): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (466184): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (466027): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 466440 hardirqs last enabled at (466439): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (466439): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (466440): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (466398): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (466398): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (466253): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 467532 hardirqs last enabled at (467531): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (467531): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (467532): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (466598): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (466598): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (466443): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 467680 hardirqs last enabled at (467679): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (467679): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (467680): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (467632): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (467632): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (467535): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468286 hardirqs last enabled at (468285): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468285): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468286): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (467740): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (467740): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (467683): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468366 hardirqs last enabled at (468365): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468365): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468366): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (468324): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (468324): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468289): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468502 hardirqs last enabled at (468501): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468501): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468502): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (468436): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (468436): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468369): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468578 hardirqs last enabled at (468577): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468577): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468578): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (468536): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (468536): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468505): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468666 hardirqs last enabled at (468665): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468665): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468666): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (468598): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (468598): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468581): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 468858 hardirqs last enabled at (468857): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (468857): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (468858): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (468816): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (468816): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468669): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 469060 hardirqs last enabled at (469059): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (469059): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (469060): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (469000): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (469000): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (468861): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 469268 hardirqs last enabled at (469267): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (469267): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (469268): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (469226): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (469226): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (469063): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 469354 hardirqs last enabled at (469353): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (469353): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (469354): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (469282): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (469282): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (469271): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 469608 hardirqs last enabled at (469607): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (469607): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (469608): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (469566): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (469566): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (469357): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 469870 hardirqs last enabled at (469869): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (469869): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (469870): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (469810): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (469810): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (469611): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470108 hardirqs last enabled at (470107): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470107): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470108): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470064): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470064): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (469873): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470218 hardirqs last enabled at (470217): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470217): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470218): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470144): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470144): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470111): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470314 hardirqs last enabled at (470313): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470313): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470314): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470272): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470272): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470221): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470554 hardirqs last enabled at (470553): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470553): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470554): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470466): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470466): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470317): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470650 hardirqs last enabled at (470649): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470649): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470650): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470608): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470608): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470557): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470888 hardirqs last enabled at (470887): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470887): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470888): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470816): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470816): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470653): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 470960 hardirqs last enabled at (470959): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (470959): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (470960): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (470918): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (470918): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470891): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471170 hardirqs last enabled at (471169): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471169): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471170): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471096): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471096): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (470963): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471270 hardirqs last enabled at (471269): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471269): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471270): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471228): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471228): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471173): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471476 hardirqs last enabled at (471475): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471475): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471476): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471416): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471416): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471273): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471550 hardirqs last enabled at (471549): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471549): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471550): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471508): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471508): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471479): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471802 hardirqs last enabled at (471801): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471801): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471802): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471756): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471756): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471731): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 471870 hardirqs last enabled at (471869): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (471869): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (471870): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (471828): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (471828): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471805): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 472172 hardirqs last enabled at (472171): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (472171): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (472172): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472112): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472112): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (471873): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 472390 hardirqs last enabled at (472389): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (472389): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (472390): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472348): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472348): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (472175): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 472570 hardirqs last enabled at (472569): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (472569): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (472570): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472496): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472496): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (472393): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 472752 hardirqs last enabled at (472751): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (472751): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (472752): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472710): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472710): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (472573): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 472846 hardirqs last enabled at (472845): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (472845): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (472846): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472786): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472786): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (472755): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 473030 hardirqs last enabled at (473029): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (473029): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (473030): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (472988): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (472988): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (472849): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 473132 hardirqs last enabled at (473131): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (473131): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (473132): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (473056): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (473056): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (473033): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 473340 hardirqs last enabled at (473339): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (473339): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (473340): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (473298): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (473298): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (473135): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 473804 hardirqs last enabled at (473803): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (473803): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (473804): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (473364): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (473364): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (473343): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 473866 hardirqs last enabled at (473865): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (473865): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (473866): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (473828): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (473828): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (473807): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 474066 hardirqs last enabled at (474065): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (474065): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (474066): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (474000): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (474000): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (473869): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 474132 hardirqs last enabled at (474131): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (474131): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (474132): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (474090): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (474090): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (474069): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 474364 hardirqs last enabled at (474363): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (474363): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (474364): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (474298): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (474298): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (474135): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 474478 hardirqs last enabled at (474477): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (474477): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (474478): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (474436): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (474436): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (474367): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 474944 hardirqs last enabled at (474943): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (474943): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (474944): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (474876): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (474876): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (474481): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475170 hardirqs last enabled at (475169): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475169): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475170): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475128): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475128): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (474947): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475508 hardirqs last enabled at (475507): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475507): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475508): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475428): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475428): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475173): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475584 hardirqs last enabled at (475583): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475583): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475584): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475542): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475542): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475511): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475792 hardirqs last enabled at (475791): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475791): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475792): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475732): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475732): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475587): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475880 hardirqs last enabled at (475879): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475879): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475880): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475838): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475838): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475795): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 475996 hardirqs last enabled at (475995): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (475995): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (475996): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (475916): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (475916): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475883): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 476232 hardirqs last enabled at (476231): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (476231): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (476232): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476188): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476188): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (475999): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 476360 hardirqs last enabled at (476359): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (476359): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (476360): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476286): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476286): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (476235): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 476570 hardirqs last enabled at (476569): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (476569): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (476570): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476528): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476528): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (476363): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 476660 hardirqs last enabled at (476659): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (476659): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (476660): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476588): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476588): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (476573): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 476874 hardirqs last enabled at (476873): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (476873): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (476874): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476808): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476808): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (476663): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 477558 hardirqs last enabled at (477557): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (477557): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (477558): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (476912): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (476912): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (476877): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 477824 hardirqs last enabled at (477823): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (477823): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (477824): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (477786): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (477786): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (477561): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 478184 hardirqs last enabled at (478183): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (478183): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (478184): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (478118): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (478118): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (477827): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 478250 hardirqs last enabled at (478249): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (478249): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (478250): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (478208): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (478208): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (478187): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 478508 hardirqs last enabled at (478507): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (478507): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (478508): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (478448): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (478448): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (478253): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 478612 hardirqs last enabled at (478611): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (478611): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (478612): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (478570): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (478570): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (478511): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 478864 hardirqs last enabled at (478863): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (478863): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (478864): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (478784): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (478784): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (478615): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479112 hardirqs last enabled at (479111): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479111): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479112): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479068): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479068): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (478867): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479356 hardirqs last enabled at (479355): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479355): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479356): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479296): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479296): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479115): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479440 hardirqs last enabled at (479439): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479439): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479440): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479398): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479398): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479359): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479678 hardirqs last enabled at (479677): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479677): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479678): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479602): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479602): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479443): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479770 hardirqs last enabled at (479769): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479769): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479770): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479728): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479728): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479681): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 479894 hardirqs last enabled at (479893): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (479893): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (479894): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (479820): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (479820): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479773): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480054 hardirqs last enabled at (480053): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480053): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480054): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480012): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480012): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (479897): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480152 hardirqs last enabled at (480151): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480151): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480152): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480092): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480092): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480057): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480388 hardirqs last enabled at (480387): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480387): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480388): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480346): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480346): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480155): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480606 hardirqs last enabled at (480605): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480605): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480606): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480532): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480532): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480391): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480826 hardirqs last enabled at (480825): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480825): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480826): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480784): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480784): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480609): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 480936 hardirqs last enabled at (480935): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (480935): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (480936): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (480876): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (480876): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480829): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 481150 hardirqs last enabled at (481149): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (481149): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (481150): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481108): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481108): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (480939): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 481240 hardirqs last enabled at (481239): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (481239): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (481240): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481174): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481174): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (481153): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 481526 hardirqs last enabled at (481525): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (481525): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (481526): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481484): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481484): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (481243): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 481626 hardirqs last enabled at (481625): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (481625): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (481626): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481560): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481560): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (481529): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 481894 hardirqs last enabled at (481893): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (481893): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (481894): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481850): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481850): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (481629): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 482610 hardirqs last enabled at (482609): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (482609): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (482610): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (481938): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (481938): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (481897): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 482694 hardirqs last enabled at (482693): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (482693): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (482694): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (482652): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (482652): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (482613): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 482924 hardirqs last enabled at (482923): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (482923): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (482924): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (482864): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (482864): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (482697): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 482994 hardirqs last enabled at (482993): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (482993): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (482994): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (482952): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (482952): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (482927): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 483292 hardirqs last enabled at (483291): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (483291): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (483292): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483222): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483222): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (482997): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 483360 hardirqs last enabled at (483359): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (483359): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (483360): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483322): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483322): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (483295): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 483662 hardirqs last enabled at (483661): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (483661): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (483662): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483582): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483582): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (483363): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 483730 hardirqs last enabled at (483729): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (483729): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (483730): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483688): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483688): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (483665): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 483940 hardirqs last enabled at (483939): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (483939): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (483940): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483880): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483880): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (483733): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484014 hardirqs last enabled at (484013): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484013): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484014): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (483972): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (483972): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (483943): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484128 hardirqs last enabled at (484127): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484127): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484128): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484052): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484052): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484017): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484316 hardirqs last enabled at (484315): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484315): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484316): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484274): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484274): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484131): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484410 hardirqs last enabled at (484409): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484409): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484410): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484344): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484344): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484319): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484628 hardirqs last enabled at (484627): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484627): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484628): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484586): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484586): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484413): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 484730 hardirqs last enabled at (484729): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (484729): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (484730): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484650): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484650): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484631): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 485034 hardirqs last enabled at (485033): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (485033): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (485034): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (484992): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (484992): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (484733): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 485122 hardirqs last enabled at (485121): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (485121): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (485122): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (485056): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (485056): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (485037): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 485310 hardirqs last enabled at (485309): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (485309): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (485310): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (485268): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (485268): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (485125): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486074 hardirqs last enabled at (486073): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486073): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486074): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (485342): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (485342): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (485313): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486134 hardirqs last enabled at (486133): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486133): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486134): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (486096): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (486096): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486077): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486558 hardirqs last enabled at (486557): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486557): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486558): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (486492): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (486492): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486137): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486640 hardirqs last enabled at (486639): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486639): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486640): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (486598): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (486598): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486561): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486856 hardirqs last enabled at (486855): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486855): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486856): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (486770): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (486770): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486643): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 486918 hardirqs last enabled at (486917): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (486917): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (486918): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (486876): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (486876): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486859): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487218 hardirqs last enabled at (487217): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487217): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487218): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487152): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487152): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (486921): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487312 hardirqs last enabled at (487311): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487311): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487312): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487270): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487270): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487221): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487518 hardirqs last enabled at (487517): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487517): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487518): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487444): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487444): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487315): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487600 hardirqs last enabled at (487599): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487599): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487600): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487558): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487558): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487521): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487822 hardirqs last enabled at (487821): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487821): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487822): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487762): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487762): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487603): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487882 hardirqs last enabled at (487881): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487881): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487882): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487840): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487840): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487825): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 487994 hardirqs last enabled at (487993): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (487993): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (487994): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (487914): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (487914): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487885): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 488194 hardirqs last enabled at (488193): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (488193): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (488194): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488152): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488152): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (487997): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 488274 hardirqs last enabled at (488273): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (488273): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (488274): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488214): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488214): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (488197): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 488492 hardirqs last enabled at (488491): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (488491): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (488492): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488448): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488448): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (488277): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 488674 hardirqs last enabled at (488673): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (488673): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (488674): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488594): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488594): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (488495): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 488870 hardirqs last enabled at (488869): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (488869): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (488870): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488828): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488828): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (488677): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 489444 hardirqs last enabled at (489443): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (489443): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (489444): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (488888): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (488888): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (488873): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 489682 hardirqs last enabled at (489681): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (489681): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (489682): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (489640): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (489640): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (489447): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 489786 hardirqs last enabled at (489785): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (489785): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (489786): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (489706): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (489706): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (489685): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 489890 hardirqs last enabled at (489889): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (489889): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (489890): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (489848): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (489848): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (489789): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490112 hardirqs last enabled at (490111): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490111): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490112): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490052): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490052): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (489893): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490180 hardirqs last enabled at (490179): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490179): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490180): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490138): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490138): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490115): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490390 hardirqs last enabled at (490389): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490389): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490390): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490310): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490310): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490183): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490462 hardirqs last enabled at (490461): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490461): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490462): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490420): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490420): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490393): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490690 hardirqs last enabled at (490689): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490689): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490690): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490630): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490630): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490465): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490754 hardirqs last enabled at (490753): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490753): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490754): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490712): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490712): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490693): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 490868 hardirqs last enabled at (490867): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (490867): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (490868): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (490794): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (490794): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490757): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491068 hardirqs last enabled at (491067): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491067): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491068): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491026): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491026): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (490871): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491236 hardirqs last enabled at (491235): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491235): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491236): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491176): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491176): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491071): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491406 hardirqs last enabled at (491405): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491405): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491406): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491364): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491364): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491239): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491496 hardirqs last enabled at (491495): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491495): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491496): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491422): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491422): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491409): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491730 hardirqs last enabled at (491729): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491729): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491730): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491688): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491688): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491499): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 491850 hardirqs last enabled at (491849): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (491849): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (491850): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (491790): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (491790): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491733): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492046 hardirqs last enabled at (492045): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492045): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492046): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492004): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492004): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (491853): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492144 hardirqs last enabled at (492143): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492143): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492144): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492070): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492070): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492049): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492230 hardirqs last enabled at (492229): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492229): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492230): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492188): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492188): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492147): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492474 hardirqs last enabled at (492473): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492473): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492474): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492414): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492414): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492233): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492584 hardirqs last enabled at (492583): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492583): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492584): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492542): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492542): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492477): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492846 hardirqs last enabled at (492845): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492845): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492846): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492786): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492786): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492587): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 492920 hardirqs last enabled at (492919): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (492919): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (492920): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (492878): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (492878): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492849): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 493164 hardirqs last enabled at (493163): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (493163): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (493164): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (493090): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (493090): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (492923): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 493236 hardirqs last enabled at (493235): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (493235): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (493236): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (493194): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (493194): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (493167): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 493680 hardirqs last enabled at (493679): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (493679): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (493680): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (493614): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (493614): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (493239): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __mpage_writepage+0x330/0x126c fs/mpage.c:533 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 493750 hardirqs last enabled at (493749): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (493749): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (493750): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (493708): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (493708): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (493683): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6480 x29: ffff800021eb6600 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6520 x21: 1fffe000203b3008 x20: ffff800021eb6500 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6374 x3 : 0000000000000001 x2 : ffff800021eb6528 x1 : 0000000007eb1462 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479 inode_getblk fs/udf/inode.c:686 [inline] udf_get_block+0xbcc/0x32e8 fs/udf/inode.c:359 __block_write_full_page+0x2f0/0xed4 fs/buffer.c:1745 block_write_full_page+0x124/0x154 fs/buffer.c:-1 __mpage_writepage+0xf58/0x126c fs/mpage.c:629 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 mpage_writepages+0xe8/0x194 fs/mpage.c:664 udf_writepages+0x30/0x40 fs/udf/inode.c:193 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 493880 hardirqs last enabled at (493879): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (493879): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (493880): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (493806): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (493806): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (493753): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5288 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 PID: 5288 Comm: kworker/u4:8 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209 sp : ffff800021eb6580 x29: ffff800021eb6700 x28: 00000000000000ff x27: 0000000000000000 x26: ffff000101d98040 x25: 0000000008000c62 x24: 0000000007eb1400 x23: ffff000103d40000 x22: ffff800021eb6620 x21: 1fffe000203b3008 x20: ffff800021eb6600 x19: ffff000101d98158 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080000982de28 x10: 0000000000000000 x9 : ffff80000982de28 x8 : ffff0000cdba0000 x7 : ffff800009816cbc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021eb6474 x3 : 0000000000000001 x2 : ffff800021eb6628 x1 : 0000000007eb1462 x0 : 0000000000000000