bcachefs (loop2): snapshots_read... done bcachefs (loop2): journal_replay... done bcachefs (loop2): resume_logged_ops... done bcachefs (loop2): going read-write bcachefs (loop2): done starting filesystem Oops: general protection fault, probably for non-canonical address 0xe01ffbf1100326c9: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff8880193648-0x00ffff888019364f] CPU: 0 PID: 6206 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #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 63 5d 1e 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 a0 cd e1 92 0f 84 98 f2 RSP: 0018:ffffc90002def2f0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff1100326c9 RSI: ffff8880157b4880 RDI: 00ffff8880193648 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880193648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5effb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032333000 CR3: 0000000019930000 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 queue_work include/linux/workqueue.h:621 [inline] closure_queue include/linux/closure.h:255 [inline] closure_call include/linux/closure.h:390 [inline] bch2_journal_do_writes+0x3ea/0x4f0 fs/bcachefs/journal.c:211 __bch2_journal_buf_put fs/bcachefs/journal.h:276 [inline] __journal_entry_close+0x8f5/0xd80 fs/bcachefs/journal.c:311 journal_entry_want_write+0xda/0x2f0 fs/bcachefs/journal.c:331 bch2_journal_flush_seq_async.part.0+0x804/0xa20 fs/bcachefs/journal.c:753 bch2_journal_flush_seq_async fs/bcachefs/journal.c:775 [inline] bch2_journal_flush_seq+0x1b6/0x360 fs/bcachefs/journal.c:770 bch2_flush_inode.part.0+0x242/0x300 fs/bcachefs/fs-io.c:185 bch2_flush_inode fs/bcachefs/bcachefs.h:1159 [inline] bch2_fsync+0x224/0x2a0 fs/bcachefs/fs-io.c:203 vfs_fsync_range+0x141/0x230 fs/sync.c:188 generic_write_sync include/linux/fs.h:2811 [inline] bch2_buffered_write fs/bcachefs/fs-io-buffered.c:1136 [inline] bch2_write_iter+0x756/0x3180 fs/bcachefs/fs-io-buffered.c:1144 call_write_iter include/linux/fs.h:2120 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1120 fs/read_write.c:590 ksys_write+0x12f/0x260 fs/read_write.c:643 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x75/0x120 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: 0023:0xf730d579 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:00000000f5eff5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000180 RDX: 0000000000002000 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 63 5d 1e 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 a0 cd e1 92 0f 84 98 f2 RSP: 0018:ffffc90002def2f0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff1100326c9 RSI: ffff8880157b4880 RDI: 00ffff8880193648 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880193648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5effb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032333000 CR3: 0000000019930000 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 63 5d 1e 12 add $0x121e5d63,%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 a0 cd e1 cmpq $0xffffffff92e1cda0,(%r12) 3b: 92 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 98 cwtl 3f: f2 repnz