------------[ cut here ]------------ WARNING: CPU: 1 PID: 8515 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 UID: 0 PID: 8515 Comm: syz.1.297 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224 sp : ffff8000a60c7000 x29: ffff8000a60c71a0 x28: 0000000000000000 x27: 0000000007f31862 x26: ffff0000f7c11360 x25: ffff0000d6e40018 x24: dfff800000000000 x23: 0000000008000c62 x22: ffff8000a60c70c0 x21: 0000000007f31800 x20: ffff8000a60c70a0 x19: ffff0000f7c11478 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff800080528a28 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff000100391e80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff000100391e80 x7 : ffff800080baa170 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000a60c7150 x3 : 0000000000000001 x2 : ffff8000a60c70c8 x1 : 0000000007f31862 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P) udf_do_extend_file+0xb1c/0xde8 fs/udf/inode.c:622 inode_getblk fs/udf/inode.c:843 [inline] udf_map_block+0xc78/0x3654 fs/udf/inode.c:454 __udf_get_block+0x58/0x26c fs/udf/inode.c:468 udf_get_block+0x80/0xb4 fs/udf/inode.c:492 __block_write_begin_int+0x53c/0x15e8 fs/buffer.c:2145 __block_write_begin+0x40/0x54 fs/buffer.c:2194 udf_page_mkwrite+0x674/0x9d4 fs/udf/file.c:65 do_page_mkwrite+0x138/0x2b8 mm/memory.c:3361 do_shared_fault mm/memory.c:5649 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault mm/memory.c:6195 [inline] handle_mm_fault+0x1a94/0x4d34 mm/memory.c:6364 do_page_fault+0x410/0x13cc arch/arm64/mm/fault.c:653 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:789 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:929 el0_da+0x64/0x164 arch/arm64/kernel/entry-common.c:697 el0t_64_sync_handler+0x90/0x12c arch/arm64/kernel/entry-common.c:901 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2200 hardirqs last enabled at (2199): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (2199): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (2200): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (2186): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2186): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2039): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8515 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 UID: 0 PID: 8515 Comm: syz.1.297 Tainted: G W 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224 sp : ffff8000a60c7000 x29: ffff8000a60c71a0 x28: 0000000000000000 x27: 0000000007f31862 x26: ffff0000f7c11360 x25: ffff0000d6e40018 x24: dfff800000000000 x23: 0000000008000c62 x22: ffff8000a60c70c0 x21: 0000000007f31800 x20: ffff8000a60c70a0 x19: ffff0000f7c11478 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800080528a28 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff000100391e80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff000100391e80 x7 : ffff800080baa170 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000a60c7150 x3 : 0000000000000001 x2 : ffff8000a60c70c8 x1 : 0000000007f31862 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P) udf_do_extend_file+0xb1c/0xde8 fs/udf/inode.c:622 inode_getblk fs/udf/inode.c:843 [inline] udf_map_block+0xc78/0x3654 fs/udf/inode.c:454 __udf_get_block+0x58/0x26c fs/udf/inode.c:468 udf_get_block+0x80/0xb4 fs/udf/inode.c:492 __block_write_begin_int+0x53c/0x15e8 fs/buffer.c:2145 __block_write_begin+0x40/0x54 fs/buffer.c:2194 udf_page_mkwrite+0x674/0x9d4 fs/udf/file.c:65 do_page_mkwrite+0x138/0x2b8 mm/memory.c:3361 do_shared_fault mm/memory.c:5649 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault mm/memory.c:6195 [inline] handle_mm_fault+0x1a94/0x4d34 mm/memory.c:6364 do_page_fault+0x410/0x13cc arch/arm64/mm/fault.c:653 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:789 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:929 el0_da+0x64/0x164 arch/arm64/kernel/entry-common.c:697 el0t_64_sync_handler+0x90/0x12c arch/arm64/kernel/entry-common.c:901 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2422 hardirqs last enabled at (2421): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (2421): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (2422): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (2394): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2392): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8515 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 UID: 0 PID: 8515 Comm: syz.1.297 Tainted: G W 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224 sp : ffff8000a60c7000 x29: ffff8000a60c71a0 x28: 0000000000000000 x27: 0000000007f31862 x26: ffff0000f7c11360 x25: ffff0000d6e40018 x24: dfff800000000000 x23: 0000000008000c62 x22: ffff8000a60c70c0 x21: 0000000007f31800 x20: ffff8000a60c70a0 x19: ffff0000f7c11478 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800080528a28 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff000100391e80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff000100391e80 x7 : ffff800080baa170 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000a60c7150 x3 : 0000000000000001 x2 : ffff8000a60c70c8 x1 : 0000000007f31862 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P) udf_do_extend_file+0xb1c/0xde8 fs/udf/inode.c:622 inode_getblk fs/udf/inode.c:843 [inline] udf_map_block+0xc78/0x3654 fs/udf/inode.c:454 __udf_get_block+0x58/0x26c fs/udf/inode.c:468 udf_get_block+0x80/0xb4 fs/udf/inode.c:492 __block_write_begin_int+0x53c/0x15e8 fs/buffer.c:2145 __block_write_begin+0x40/0x54 fs/buffer.c:2194 udf_page_mkwrite+0x674/0x9d4 fs/udf/file.c:65 do_page_mkwrite+0x138/0x2b8 mm/memory.c:3361 do_shared_fault mm/memory.c:5649 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault mm/memory.c:6195 [inline] handle_mm_fault+0x1a94/0x4d34 mm/memory.c:6364 do_page_fault+0x410/0x13cc arch/arm64/mm/fault.c:653 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:789 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:929 el0_da+0x64/0x164 arch/arm64/kernel/entry-common.c:697 el0t_64_sync_handler+0x90/0x12c arch/arm64/kernel/entry-common.c:901 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2530 hardirqs last enabled at (2529): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (2529): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (2530): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (2502): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2500): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8515 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 Modules linked in: CPU: 1 UID: 0 PID: 8515 Comm: syz.1.297 Tainted: G W 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224 sp : ffff8000a60c7000 x29: ffff8000a60c71a0 x28: 0000000000000000 x27: 0000000007f31862 x26: ffff0000f7c11360 x25: ffff0000d6e40018 x24: dfff800000000000 x23: 0000000008000c62 x22: ffff8000a60c70c0 x21: 0000000007f31800 x20: ffff8000a60c70a0 x19: ffff0000f7c11478 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800080528a28 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff000100391e80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff000100391e80 x7 : ffff800080baa170 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000a60c7150 x3 : 0000000000000001 x2 : ffff8000a60c70c8 x1 : 0000000007f31862 x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P) udf_do_extend_file+0xb1c/0xde8 fs/udf/inode.c:622 inode_getblk fs/udf/inode.c:843 [inline] udf_map_block+0xc78/0x3654 fs/udf/inode.c:454 __udf_get_block+0x58/0x26c fs/udf/inode.c:468 udf_get_block+0x80/0xb4 fs/udf/inode.c:492 __block_write_begin_int+0x53c/0x15e8 fs/buffer.c:2145 __block_write_begin+0x40/0x54 fs/buffer.c:2194 udf_page_mkwrite+0x674/0x9d4 fs/udf/file.c:65 do_page_mkwrite+0x138/0x2b8 mm/memory.c:3361 do_shared_fault mm/memory.c:5649 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault mm/memory.c:6195 [inline] handle_mm_fault+0x1a94/0x4d34 mm/memory.c:6364 do_page_fault+0x410/0x13cc arch/arm64/mm/fault.c:653 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:789 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:929 el0_da+0x64/0x164 arch/arm64/kernel/entry-common.c:697 el0t_64_sync_handler+0x90/0x12c arch/arm64/kernel/entry-common.c:901 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2782 hardirqs last enabled at (2781): [] lookup_bh_lru fs/buffer.c:1390 [inline] hardirqs last enabled at (2781): [] find_get_block_common+0x334/0xde8 fs/buffer.c:1404 hardirqs last disabled at (2782): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (2754): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2752): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---