watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [kworker/0:1H:9] Modules linked in: irq event stamp: 145521 hardirqs last enabled at (145520): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (145521): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (92644): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (92745): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 9 Comm: kworker/0:1H Not tainted 6.0.0-rc3-next-20220829 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: kblockd blk_mq_run_work_fn RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x70 Code: a8 01 00 00 e8 b4 ff ff ff 31 c0 e9 2d 60 1a 03 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 8b 05 99 93 bc 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 c0 6e 02 00 a9 00 01 ff 00 74 0e RSP: 0018:ffff88806ce09c88 EFLAGS: 00000206 RAX: 0000000000000101 RBX: 0000000000000005 RCX: 0000000000000101 RDX: ffff888008630000 RSI: ffffffff821833fd RDI: 0000000000000005 RBP: ffff888009c26e40 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000001 R12: ffff888009c26e10 R13: 0000000000000000 R14: ffff88800b894b00 R15: ffffe8ffffc03400 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dd21000 CR3: 0000000015d8e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __sbq_wake_up+0x6d/0x3d0 sbitmap_queue_clear+0xad/0x210 blk_mq_put_tag+0xd8/0x160 __blk_mq_free_request+0x2e0/0x380 blk_mq_free_request+0x35d/0x500 __blk_mq_end_request+0x358/0x580 scsi_end_request+0x472/0x9a0 scsi_io_completion+0xbc/0x2070 scsi_complete+0x114/0x560 blk_complete_reqs+0xb2/0xf0 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x2e/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 4a 4e 05 fd 48 89 ef e8 b2 c3 05 fd 80 e7 02 74 06 e8 68 df 27 fd fb bf 01 00 00 00 0d 51 fb fc 65 8b 05 b6 99 dd 7b 85 c0 74 07 5b 5d e9 2b 66 3b RSP: 0018:ffff88800863f878 EFLAGS: 00000206 RAX: 0000000000016a47 RBX: 0000000000000246 RCX: ffffffff8129855f RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888008f88400 R08: 0000000000000001 R09: ffffffff86cb480f R10: fffffbfff0d96901 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000246 R14: ffff88800c828010 R15: ffff88800c3a2000 ata_scsi_queuecmd+0xd8/0x160 scsi_queue_rq+0x1811/0x3210 blk_mq_dispatch_rq_list+0x6c7/0x2250 blk_mq_do_dispatch_sched+0x91a/0xc30 __blk_mq_sched_dispatch_requests+0x271/0x3e0 blk_mq_sched_dispatch_requests+0x106/0x190 __blk_mq_run_hw_queue+0xff/0x350 blk_mq_run_work_fn+0x55/0x70 process_one_work+0xa0f/0x1690 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7786 Comm: syz-executor.1 Not tainted 6.0.0-rc3-next-20220829 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:perf_output_begin_forward+0x779/0xb00 Code: 00 00 48 8b 84 24 e0 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 e6 02 00 00 8b 44 24 3c 48 81 c4 e8 00 00 00 5b 5d 41 5c 41 5d <41> 5e 41 5f e9 be 58 07 03 e8 99 f8 ec ff e8 34 ee c9 02 31 ff 89 RSP: 0018:ffff88806cf09668 EFLAGS: 00000086 RAX: 00000000ffffffe4 RBX: 1ffff1100d9e12d0 RCX: 0000000000000100 RDX: ffff888040f0d040 RSI: ffffffff8158e1f4 RDI: 0000000000000000 RBP: ffff88806cf096c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806cf09800 R13: ffff88803fbd56b8 R14: ffff88806cf09bd8 R15: 0000000000000008 FS: 00007f1a3547d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002790 CR3: 0000000040260000 CR4: 0000000000350ee0 Call Trace: perf_event_output_forward+0xf2/0x280 __perf_event_overflow+0x13f/0x3d0 perf_swevent_hrtimer+0x38a/0x400 __hrtimer_run_queues+0x1ca/0xbd0 hrtimer_interrupt+0x315/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 Code: 00 00 5d e9 92 2c c5 00 66 90 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 e9 2d 60 1a 03 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <65> 8b 05 99 93 bc 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffff88806cf09c88 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff821833f0 RDX: ffff888040f0d040 RSI: 0000000000000100 RDI: 0000000000000005 RBP: ffff888009c26e40 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000001 R12: ffff888009c26e10 R13: 0000000000000001 R14: ffff88800b894b00 R15: ffffe8ffffd03400 __sbq_wake_up+0x6d/0x3d0 sbitmap_queue_clear+0xad/0x210 blk_mq_put_tag+0xd8/0x160 __blk_mq_free_request+0x2e0/0x380 blk_mq_free_request+0x35d/0x500 __blk_mq_end_request+0x358/0x580 scsi_end_request+0x472/0x9a0 scsi_io_completion+0xbc/0x2070 scsi_complete+0x114/0x560 blk_complete_reqs+0xb2/0xf0 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_call_function_single+0x8e/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:try_charge_memcg+0x329/0x12d0 Code: 0d 00 00 49 c7 40 28 00 00 00 00 48 c7 c6 c2 0f 7b 81 4c 89 c7 e8 17 13 af ff 48 83 3c 24 00 74 06 e8 3b a4 d1 ff fb 45 84 ff <0f> 85 e1 02 00 00 0f 1f 44 00 00 45 89 f5 4c 8d 7c 24 78 49 8d 9c RSP: 0018:ffff88803fa374c8 EFLAGS: 00000246 RAX: 000000000000146d RBX: ffff88806cf34bc8 RCX: ffffffff8129855f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff86cb4827 R10: fffffbfff0d96904 R11: 0000000000000001 R12: ffff888015ccc000 R13: ffffffff87041700 R14: 0000000000000040 R15: 0000000000000000 obj_cgroup_charge+0x311/0x870 kmem_cache_alloc_lru+0x12d/0x720 __d_alloc+0x31/0x9a0 d_alloc_parallel+0x10a/0x1520 __lookup_slow+0x193/0x470 walk_component+0x345/0x5b0 link_path_walk.part.0+0x76e/0xe50 path_openat+0x245/0x2800 do_filp_open+0x1b6/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1a37ebaa04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f1a3547d060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f1a3801af60 RCX: 00007f1a37ebaa04 RDX: 0000000000000002 RSI: 00007f1a3547d0f0 RDI: 00000000ffffff9c RBP: 00007f1a3547d0f0 R08: 0000000000000000 R09: 00007f1a3547cf70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffecc210e8f R14: 00007f1a3547d300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: a8 01 test $0x1,%al 2: 00 00 add %al,(%rax) 4: e8 b4 ff ff ff callq 0xffffffbd 9: 31 c0 xor %eax,%eax b: e9 2d 60 1a 03 jmpq 0x31a603d 10: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 17: 00 00 00 00 1b: 66 90 xchg %ax,%ax 1d: 65 8b 05 99 93 bc 7e mov %gs:0x7ebc9399(%rip),%eax # 0x7ebc93bd 24: 89 c1 mov %eax,%ecx 26: 48 8b 34 24 mov (%rsp),%rsi * 2a: 81 e1 00 01 00 00 and $0x100,%ecx <-- trapping instruction 30: 65 48 8b 14 25 c0 6e mov %gs:0x26ec0,%rdx 37: 02 00 39: a9 00 01 ff 00 test $0xff0100,%eax 3e: 74 0e je 0x4e