------------[ cut here ]------------ kernel BUG at fs/ext4/page-io.c:126! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8158 Comm: syz-executor.1 Not tainted 5.10.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:ext4_finish_bio+0x6af/0x830 fs/ext4/page-io.c:126 Code: 10 4c 8b 60 28 48 89 44 24 50 e9 1c fb ff ff e8 57 ab 66 ff 48 c7 c6 20 b1 5e 89 4c 89 e7 e8 98 82 96 ff 0f 0b e8 41 ab 66 ff <0f> 0b e8 3a ab 66 ff 48 c7 c6 20 b0 5e 89 4c 89 e7 e8 7b 82 96 ff RSP: 0018:ffffc90000007b60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000001000 RCX: ffffffff82096b25 RDX: ffff888072242180 RSI: ffffffff82096dff RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88806209dd07 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806209dd00 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802cc00000(0063) knlGS:00000000f54edb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000818b000 CR3: 000000007191f000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: ext4_end_bio+0x179/0x5f0 fs/ext4/page-io.c:368 bio_endio+0x3d3/0x7a0 block/bio.c:1450 req_bio_endio block/blk-core.c:263 [inline] blk_update_request+0x68e/0x1490 block/blk-core.c:1467 scsi_end_request+0x7a/0x800 drivers/scsi/scsi_lib.c:569 scsi_io_completion+0x1df/0x1160 drivers/scsi/scsi_lib.c:965 scsi_softirq_done+0x12f/0x270 drivers/scsi/scsi_lib.c:1443 blk_done_softirq+0x294/0x3e0 block/blk-mq.c:586 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x132/0x200 kernel/softirq.c:435 common_interrupt+0xa3/0x200 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:622 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x50 kernel/locking/spinlock.c:191 Code: f8 5d c3 66 90 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 fa 28 6f f8 48 89 ef e8 62 e9 6f f8 f6 c7 02 75 1a 53 9d 01 00 00 00 e8 a1 3c 64 f8 65 8b 05 9a e7 1a 77 85 c0 74 0a 5b RSP: 0018:ffffc90000b87a18 EFLAGS: 00000283 RAX: 00000000000000ad RBX: 0000000000000283 RCX: 1ffffffff19d8a81 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff888071718830 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000283 R13: ffff888071718830 R14: ffff888071718040 R15: ffff88802ce34d00 try_to_wake_up+0x588/0x1300 kernel/sched/core.c:2976 wake_up_process kernel/sched/core.c:3044 [inline] wake_up_q+0x96/0x100 kernel/sched/core.c:597 futex_wake+0x3e9/0x490 kernel/futex.c:1624 do_futex+0x322/0x1a60 kernel/futex.c:3769 __do_sys_futex_time32 kernel/futex.c:4017 [inline] __se_sys_futex_time32 kernel/futex.c:3989 [inline] __ia32_sys_futex_time32+0x321/0x530 kernel/futex.c:3989 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f14549 Code: 03 74 c0 01 10 05 03 74 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f54ed11c EFLAGS: 00000246 ORIG_RAX: 00000000000000f0 RAX: ffffffffffffffda RBX: 000000000818afdc RCX: 0000000000000081 RDX: 00000000000f4240 RSI: 000000000818afd8 RDI: 000000000804c9b6 RBP: 000000000815e000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace df7cc346a4d21a01 ]--- RIP: 0010:ext4_finish_bio+0x6af/0x830 fs/ext4/page-io.c:126 Code: 10 4c 8b 60 28 48 89 44 24 50 e9 1c fb ff ff e8 57 ab 66 ff 48 c7 c6 20 b1 5e 89 4c 89 e7 e8 98 82 96 ff 0f 0b e8 41 ab 66 ff <0f> 0b e8 3a ab 66 ff 48 c7 c6 20 b0 5e 89 4c 89 e7 e8 7b 82 96 ff RSP: 0018:ffffc90000007b60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000001000 RCX: ffffffff82096b25 RDX: ffff888072242180 RSI: ffffffff82096dff RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88806209dd07 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806209dd00 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802cc00000(0063) knlGS:00000000f54edb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000818b000 CR3: 000000007191f000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600