watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:11462] Modules linked in: irq event stamp: 4966507 hardirqs last enabled at (4966506): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4966507): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4895666): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4895669): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 11462 Comm: syz-executor.2 Not tainted 6.2.0-rc2-next-20230105 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff88806cf09630 EFLAGS: 00000212 RAX: 1ffffffff0bbc79d RBX: ffffffff85de3ce8 RCX: ffffffff819e07f7 RDX: 0000000000000000 RSI: ffffffff86125acc RDI: ffffffff85de3ce8 RBP: ffffffff85de3ce8 R08: ffffffff86125acc R09: ffffffff86124b04 R10: ffff88806cf09ff8 R11: 0000000000038001 R12: ffffffff85de3ce8 R13: ffffffff85de3ce8 R14: ffffffff85de3ce8 R15: dffffc0000000000 FS: 00007f1213df9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c22a000 CR3: 0000000019b16000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x172/0x300 __create_object+0x3d/0xc40 kmem_cache_alloc_node+0x215/0x310 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d2/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_is_held_type+0xa/0x130 Code: b5 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 41 55 <41> bd ff ff ff ff 41 54 55 53 48 83 ec 08 8b 0d de 9f 8e 01 85 c9 RSP: 0018:ffff88803c35f580 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff0a55d19 RDX: 0000000000000003 RSI: 00000000ffffffff RDI: ffffffff856085a0 RBP: 1ffff1100786beb8 R08: 0000000000000000 R09: ffffffff85d0c217 R10: fffffbfff0ba1842 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88800fe9e0c0 R15: ffff88803c35f912 rcu_read_lock_sched_held+0x42/0x80 lock_release+0x56b/0x760 _raw_read_unlock+0x16/0x50 jbd2_transaction_committed+0x115/0x150 ext4_set_iomap.constprop.0+0x15a/0x900 ext4_iomap_begin+0x625/0x710 iomap_iter+0x42f/0x12b0 iomap_bmap+0x148/0x220 ext4_bmap+0x21e/0x470 bmap+0xb0/0x130 jbd2_journal_bmap+0xac/0x190 jbd2_journal_flush+0x857/0xc10 __ext4_ioctl+0x9db/0x43d0 __x64_sys_ioctl+0x19e/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f1216883b19 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:00007f1213df9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1216996f60 RCX: 00007f1216883b19 RDX: 0000000020000340 RSI: 000000004004662b RDI: 0000000000000006 RBP: 00007f12168ddf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff99a5dcbf R14: 00007f1213df9300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 72 4d jb 0x4f 2: 4c 89 e0 mov %r12,%rax 5: 48 29 e8 sub %rbp,%rax 8: 48 89 c2 mov %rax,%rdx b: 48 c1 e8 3f shr $0x3f,%rax f: 48 c1 fa 02 sar $0x2,%rdx 13: 48 01 d0 add %rdx,%rax 16: 48 d1 f8 sar %rax 19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx * 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 04 jl 0x3b 37: 84 d2 test %dl,%dl 39: 75 50 jne 0x8b 3b: 48 63 03 movslq (%rbx),%rax 3e: 48 rex.W 3f: 01 .byte 0x1