watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:7415] Modules linked in: irq event stamp: 2700123 hardirqs last enabled at (2700122): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2700123): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2698454): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2698489): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 7415 Comm: syz-executor.3 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:rb_find_bss+0x1a8/0x290 Code: 1e fd 48 85 db 74 54 e8 26 53 1e fd 41 80 3f 00 0f 85 80 00 00 00 48 8d 73 50 4d 8b 6e 70 48 89 f0 48 c1 e8 03 42 80 3c 20 00 <75> 58 48 8b 6b 50 49 39 ed 0f 85 bf fe ff ff 48 89 34 24 e8 f0 52 RSP: 0018:ffff88806cf09468 EFLAGS: 00000246 RAX: 1ffff11006cdc40e RBX: ffff8880366e2020 RCX: 00000000ffffb35c RDX: ffff88802a37d280 RSI: ffff8880366e2070 RDI: ffff888035b981a0 RBP: 00000000ffffb35c R08: 0000000000000001 R09: ffffed100d9e12a2 R10: 0000000000000003 R11: dd6c604830043200 R12: dffffc0000000000 R13: ffff888035b9b2f8 R14: ffff88806cf09610 R15: ffffed100d9e12d0 FS: 00007fc4ebb1d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c6f91f000 CR3: 000000003828e000 CR4: 0000000000350ef0 Call Trace: __cfg80211_bss_update+0xb7/0x1fe0 cfg80211_inform_single_bss_data+0x6e2/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 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 b4 ff ab ff 4d 85 ed 74 06 e8 ca 7f 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:ffff888017137d90 EFLAGS: 00000246 RAX: 0000000000292cf7 RBX: ffffea0000365a00 RCX: 1ffffffff0fdca53 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 00000000000007e0 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800d9685c8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 fsnotify_alloc_group+0x98/0x350 inotify_new_group+0x20/0x590 __do_sys_inotify_init+0x16/0xa0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc4ee5c8b19 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:00007fc4ebb1d188 EFLAGS: 00000246 ORIG_RAX: 00000000000000fd RAX: ffffffffffffffda RBX: 00007fc4ee6dc020 RCX: 00007fc4ee5c8b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fc4ee622f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefa6f794f R14: 00007fc4ebb1d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 7 prio class 0 Buffer I/O error on dev sr0, logical block 1, async page read Buffer I/O error on dev sr0, logical block 2, async page read Buffer I/O error on dev sr0, logical block 3, async page read Buffer I/O error on dev sr0, logical block 4, async page read Buffer I/O error on dev sr0, logical block 5, async page read Buffer I/O error on dev sr0, logical block 6, async page read Buffer I/O error on dev sr0, logical block 7, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer tmpfs: Bad value for 'mpol' sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer tmpfs: Bad value for 'mpol' sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer ---------------- Code disassembly (best guess), 1 bytes skipped: 0: fd std 1: 48 85 db test %rbx,%rbx 4: 74 54 je 0x5a 6: e8 26 53 1e fd callq 0xfd1e5331 b: 41 80 3f 00 cmpb $0x0,(%r15) f: 0f 85 80 00 00 00 jne 0x95 15: 48 8d 73 50 lea 0x50(%rbx),%rsi 19: 4d 8b 6e 70 mov 0x70(%r14),%r13 1d: 48 89 f0 mov %rsi,%rax 20: 48 c1 e8 03 shr $0x3,%rax 24: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) * 29: 75 58 jne 0x83 <-- trapping instruction 2b: 48 8b 6b 50 mov 0x50(%rbx),%rbp 2f: 49 39 ed cmp %rbp,%r13 32: 0f 85 bf fe ff ff jne 0xfffffef7 38: 48 89 34 24 mov %rsi,(%rsp) 3c: e8 .byte 0xe8 3d: f0 52 lock push %rdx