BTRFS info (device loop2): checking UUID tree Oops: general protection fault, probably for non-canonical address 0xe01ffbf11002a963: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff8880154b18-0x00ffff8880154b1f] CPU: 3 PID: 6131 Comm: syz-executor.2 Not tainted 6.10.0-rc5-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 33 d6 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 e0 4d e3 92 0f 84 98 f2 RSP: 0018:ffffc90003b8e9c8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff888016b92440 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe2e1d7 R11: 0000000000000007 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5e56b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007fcbac4bd4a1 CR3: 0000000029d78000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1020 kernel/workqueue.c:2319 queue_work_on+0x11a/0x140 kernel/workqueue.c:2410 btrfs_cache_block_group+0x549/0x820 fs/btrfs/block-group.c:962 find_free_extent+0x36a1/0x6820 fs/btrfs/extent-tree.c:4507 btrfs_reserve_extent+0x333/0x6b0 fs/btrfs/extent-tree.c:4689 btrfs_alloc_tree_block+0x20e/0x11a0 fs/btrfs/extent-tree.c:5145 btrfs_force_cow_block+0x3e5/0x19e0 fs/btrfs/ctree.c:568 btrfs_cow_block+0x2b6/0xb70 fs/btrfs/ctree.c:746 btrfs_search_slot+0x11bd/0x3010 fs/btrfs/ctree.c:2101 btrfs_insert_empty_items+0xb6/0x1c0 fs/btrfs/ctree.c:4295 btrfs_create_new_inode+0x8ca/0x27f0 fs/btrfs/inode.c:6345 btrfs_create_common+0x1b6/0x270 fs/btrfs/inode.c:6572 btrfs_create+0x114/0x160 fs/btrfs/inode.c:6612 lookup_open.isra.0+0x10a1/0x13c0 fs/namei.c:3505 open_last_lookups fs/namei.c:3574 [inline] path_openat+0x92f/0x29f0 fs/namei.c:3804 do_filp_open+0x1dc/0x430 fs/namei.c:3834 do_sys_openat2+0x17a/0x1e0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_compat_sys_open fs/open.c:1471 [inline] __se_compat_sys_open fs/open.c:1469 [inline] __ia32_compat_sys_open+0x147/0x1e0 fs/open.c:1469 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7264579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5e565ac EFLAGS: 00000292 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 0000000000145a42 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 33 d6 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 e0 4d e3 92 0f 84 98 f2 RSP: 0018:ffffc90003b8e9c8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff888016b92440 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe2e1d7 R11: 0000000000000007 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5e56b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007fcbac4bd4a1 CR3: 0000000029d78000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 11 00 adc %eax,(%rax) 2: 00 39 add %bh,(%rcx) 4: 05 33 d6 1f 12 add $0x121fd633,%eax 9: 0f 82 be 05 00 00 jb 0x5cd f: ba 01 00 00 00 mov $0x1,%edx 14: e9 e4 00 00 00 jmp 0xfd 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 82 1f 00 00 jne 0x1fb6 34: 49 81 3c 24 e0 4d e3 cmpq $0xffffffff92e34de0,(%r12) 3b: 92 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 98 cwtl 3f: f2 repnz