------------[ cut here ]------------ WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_updated_lvid fs/udf/udfdecl.h:125 [inline] WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_add_free_space fs/udf/balloc.c:137 [inline] WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_bitmap_new_block fs/udf/balloc.c:370 [inline] WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_new_block+0x1594/0x178c fs/udf/balloc.c:730 Modules linked in: CPU: 1 PID: 4621 Comm: syz.2.47 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] pc : udf_add_free_space fs/udf/balloc.c:137 [inline] pc : udf_bitmap_new_block fs/udf/balloc.c:370 [inline] pc : udf_new_block+0x1594/0x178c fs/udf/balloc.c:730 lr : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] lr : udf_add_free_space fs/udf/balloc.c:137 [inline] lr : udf_bitmap_new_block fs/udf/balloc.c:370 [inline] lr : udf_new_block+0x1594/0x178c fs/udf/balloc.c:730 sp : ffff800021627420 x29: ffff800021627640 x28: ffff0000e06aa3a0 x27: dfff800000000000 x26: ffff0000f96a3000 x25: 000000000000004f x24: 0000000000000030 x23: ffff800021627720 x22: ffff0000f5678800 x21: 0000000000000000 x20: ffff0000f73e101f x19: 00000000ba6374ca x18: 0000000000000000 x17: ffff800018184000 x16: ffff8000082d3a08 x15: ffff800017c65000 x14: ffff0000fa44ddd8 x13: 1ffff00002a0a0b1 x12: 0000000000080000 x11: 0000000000002dbb x10: ffff80002881c000 x9 : ffff80000980841c x8 : 0000000000002dbc x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 00000000ba6374ca x0 : 0000000000000000 Call trace: udf_updated_lvid fs/udf/udfdecl.h:125 [inline] udf_add_free_space fs/udf/balloc.c:137 [inline] udf_bitmap_new_block fs/udf/balloc.c:370 [inline] udf_new_block+0x1594/0x178c fs/udf/balloc.c:730 udf_new_inode+0x2b0/0xbd0 fs/udf/ialloc.c:86 udf_create+0x34/0x144 fs/udf/namei.c:368 lookup_open fs/namei.c:3490 [inline] open_last_lookups fs/namei.c:3558 [inline] path_openat+0x112c/0x2680 fs/namei.c:3788 do_filp_open+0x174/0x344 fs/namei.c:3818 do_sys_openat2+0x128/0x3d8 fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 122 hardirqs last enabled at (121): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (121): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (122): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (10): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (8): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_updated_lvid fs/udf/udfdecl.h:125 [inline] WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 lvid_get_unique_id+0x1e8/0x2b8 fs/udf/super.c:2151 Modules linked in: CPU: 1 PID: 4621 Comm: syz.2.47 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] pc : lvid_get_unique_id+0x1e8/0x2b8 fs/udf/super.c:2151 lr : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] lr : lvid_get_unique_id+0x1e8/0x2b8 fs/udf/super.c:2151 sp : ffff800021627640 x29: ffff800021627640 x28: ffff0001da70d6b0 x27: 9fd31fbab81987d4 x26: 1fffe0001ee7c205 x25: 1fffe0001a1834cf x24: dfff800000000000 x23: ffff0000f5678800 x22: ffff0000f73e101f x21: 00000000ba6374ca x20: 9fd31fbab81987d3 x19: ffff0000d0c1a678 x18: 0000000000000000 x17: ffff800018184000 x16: ffff8000082cb864 x15: ffff800017c65000 x14: ffff0000fa44ddd8 x13: 1ffff00002a0a0b1 x12: 0000000000080000 x11: 000000000007dc41 x10: ffff80002881c000 x9 : ffff8000098232a0 x8 : 000000000007dc42 x7 : ffff800009823150 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082cacfc x2 : ffff0000fa44d340 x1 : 00000000ba6374ca x0 : 0000000000000000 Call trace: udf_updated_lvid fs/udf/udfdecl.h:125 [inline] lvid_get_unique_id+0x1e8/0x2b8 fs/udf/super.c:2151 udf_new_inode+0x324/0xbd0 fs/udf/ialloc.c:97 udf_create+0x34/0x144 fs/udf/namei.c:368 lookup_open fs/namei.c:3490 [inline] open_last_lookups fs/namei.c:3558 [inline] path_openat+0x112c/0x2680 fs/namei.c:3788 do_filp_open+0x174/0x344 fs/namei.c:3818 do_sys_openat2+0x128/0x3d8 fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 320 hardirqs last enabled at (319): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (319): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (320): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (314): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (314): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (125): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_updated_lvid fs/udf/udfdecl.h:125 [inline] WARNING: CPU: 1 PID: 4621 at fs/udf/udfdecl.h:127 udf_new_inode+0x898/0xbd0 fs/udf/ialloc.c:104 Modules linked in: CPU: 1 PID: 4621 Comm: syz.2.47 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] pc : udf_new_inode+0x898/0xbd0 fs/udf/ialloc.c:104 lr : udf_updated_lvid fs/udf/udfdecl.h:125 [inline] lr : udf_new_inode+0x898/0xbd0 fs/udf/ialloc.c:104 sp : ffff8000216276a0 x29: ffff800021627760 x28: ffff0000f73e101c x27: ffff0000f73e101f x26: ffff0000f62299b4 x25: ffff0000f6229af8 x24: ffff0000d0c1a678 x23: ffff0000f62299b4 x22: dfff800000000000 x21: 00000000ba6374ca x20: ffff0000d0c1a000 x19: ffff0000e24c07c0 x18: 0000000000000000 x17: ffff800018184000 x16: ffff8000082cb864 x15: ffff800017c65000 x14: ffff0000fa44ddd8 x13: 1ffff00002a0a0b1 x12: 0000000000080000 x11: 000000000007ffff x10: ffff80002881c000 x9 : ffff80000980bc78 x8 : 0000000000080000 x7 : ffff80000980b748 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082cacfc x2 : ffff0000fa44d340 x1 : 00000000ba6374ca x0 : 0000000000000000 Call trace: udf_updated_lvid fs/udf/udfdecl.h:125 [inline] udf_new_inode+0x898/0xbd0 fs/udf/ialloc.c:104 udf_create+0x34/0x144 fs/udf/namei.c:368 lookup_open fs/namei.c:3490 [inline] open_last_lookups fs/namei.c:3558 [inline] path_openat+0x112c/0x2680 fs/namei.c:3788 do_filp_open+0x174/0x344 fs/namei.c:3818 do_sys_openat2+0x128/0x3d8 fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 672 hardirqs last enabled at (671): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (671): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (672): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (666): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (666): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (323): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---