Oops: general protection fault, probably for non-canonical address 0xf26afc1ffff11006: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x935800ffff888030-0x935800ffff888037] CPU: 0 UID: 0 PID: 40 Comm: kworker/0:1H Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bcachefs_btree_io btree_node_write_work RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d fb 9b 9d 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 a8 7b 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000b07510 EFLAGS: 00010806 RAX: 126b001ffff11006 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 935800ffff888032 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203036f R12: ffff888020ad5a00 R13: 0000000000000000 R14: 0000000000000000 R15: 935800ffff888032 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c24a819 CR3: 0000000032630000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x759/0xf50 queue_work_on+0x1c2/0x380 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] closure_queue include/linux/closure.h:268 [inline] closure_put_after_sub+0x2b1/0x330 lib/closure.c:42 bch2_btree_complete_write fs/bcachefs/btree_io.c:1789 [inline] __btree_node_write_done+0x268/0x440 fs/bcachefs/btree_io.c:1800 btree_node_write_done fs/bcachefs/btree_io.c:1840 [inline] btree_node_write_work+0x9d3/0xba0 fs/bcachefs/btree_io.c:1882 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d fb 9b 9d 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 a8 7b 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000b07510 EFLAGS: 00010806 RAX: 126b001ffff11006 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 935800ffff888032 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203036f R12: ffff888020ad5a00 R13: 0000000000000000 R14: 0000000000000000 R15: 935800ffff888032 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c24a819 CR3: 0000000032630000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d fb 9b 9d 0e 00 cmpl $0x0,0xe9d9bfb(%rip) # 0xe9d9c10 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 a8 7b 8c 00 call 0x8c7be0 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah