watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.7:7700] Modules linked in: irq event stamp: 3828717 hardirqs last enabled at (3828716): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3828717): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3814890): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3814899): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 7700 Comm: syz-executor.7 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 f6 f1 a5 fc 48 89 ef e8 7e 60 a6 fc 80 e7 02 74 06 e8 b4 77 cf fc fb 65 ff 0d 54 5b 59 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88806ce09838 EFLAGS: 00000202 RAX: 00000000003a6bcc RBX: 0000000000000246 RCX: 1ffffffff0fe820c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84aa4bac RBP: ffff88803fef86b8 R08: 0000000000000001 R09: fffffbfff0fdfbf9 R10: ffffffff87efdfcf R11: 0000000000000001 R12: 0000000000000246 R13: ffff88803fef86b8 R14: ffff88803fef86a8 R15: ffff88803fef86a8 FS: 00007f639f2ec700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5075313545 CR3: 0000000031632000 CR4: 0000000000350ef0 Call Trace: wiphy_work_queue+0xcd/0x350 ieee80211_rx_handlers+0x5e78/0x9110 ieee80211_prepare_and_rx_handle+0x1f9d/0x5e70 ieee80211_rx_for_interface+0x10e/0x200 ieee80211_rx_list+0x1bec/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 04 c6 ab ff 4d 85 ed 74 06 e8 ca 4b d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888033f973e0 EFLAGS: 00000246 RAX: 00000000003a35f1 RBX: ffffea0000f21800 RCX: 1ffffffff0fe1d12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a47796 RBP: ffff888008c41dc0 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: ffffffff87efdf4f R11: 0000000000000000 R12: ffff88806ce3f620 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803c861000 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 jbd2__journal_start+0x193/0x6b0 __ext4_journal_start_sb+0x331/0x600 ext4_convert_unwritten_extents+0x191/0x580 ext4_dio_write_end_io+0x4a3/0x670 iomap_dio_complete+0x14d/0x9b0 iomap_dio_rw+0x73/0xa0 ext4_file_write_iter+0x110a/0x18e0 iter_file_splice_write+0xa09/0x1060 direct_splice_actor+0x192/0x7a0 splice_direct_to_actor+0x348/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xa7e/0xdb0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f63a1d76b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f639f2ec188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f63a1e89f60 RCX: 00007f63a1d76b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007f63a1dd0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffde756c1ef R14: 00007f639f2ec300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kasan_check_read+0x8/0x20 Code: a2 a6 ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 bf f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffff888009737730 EFLAGS: 00000016 RAX: 0000000000000014 RBX: 0000000000000514 RCX: ffffffff814f583e RDX: 1ffff110012e2bba RSI: 0000000000000008 RDI: ffffffff87efdfc0 RBP: ffff888009715340 R08: 0000000000000000 R09: fffffbfff0fdfbf8 R10: ffffffff87efdfc7 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000100 R14: ffff888009715db0 R15: ffff888009715db0 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555578aa1c58 CR3: 0000000015670000 CR4: 0000000000350ef0 Call Trace: hlock_class+0x4e/0x130 mark_lock+0xac/0xed0 __lock_acquire+0x9b9/0x4360 lock_acquire.part.0+0xeb/0x320 kcov_remote_start+0xbc/0x5b0 ieee80211_rx_list+0x5e6/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 run_ksoftirqd+0x2e/0x60 smpboot_thread_fn+0x3eb/0x930 kthread+0x3ab/0x720 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 kworker/u9:3 (223) used greatest stack depth: 23240 bytes left ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 f6 f1 a5 fc callq 0xfca5f205 f: 48 89 ef mov %rbp,%rdi 12: e8 7e 60 a6 fc callq 0xfca66095 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 b4 77 cf fc callq 0xfccf77d5 21: fb sti 22: 65 ff 0d 54 5b 59 7b decl %gs:0x7b595b54(%rip) # 0x7b595b7d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 a3 1e 00 00 jmpq 0x1ed5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 97 1e 00 00 jmpq 0x1ed5 3e: 0f .byte 0xf