watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:5385] Modules linked in: irq event stamp: 2881649 hardirqs last enabled at (2881648): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2881649): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2879582): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2879585): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 5385 Comm: syz-executor.2 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:unwind_next_frame+0xa60/0x2490 Code: 00 e9 e6 f6 ff ff 49 8d 76 f8 ba 08 00 00 00 4c 89 ff 4c 89 44 24 20 48 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 <84> c0 0f 84 9e f8 ff ff 48 8b 74 24 10 48 89 f7 e8 ab eb ff ff 48 RSP: 0018:ffff88806ce09048 EFLAGS: 00000286 RAX: ffff88806ce0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09101 RSI: ffff88806ce091e8 RDI: ffff88806ce090c8 RBP: ffff88806ce09110 R08: ffffffff867c8e6e R09: ffff88806ce090f8 R10: 000000000003c001 R11: 00000000000121bf R12: ffff88806ce09118 R13: ffff88806ce09100 R14: ffff88806ce091f0 R15: ffff88806ce090b8 FS: 00007f2b43f76700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cf21000 CR3: 0000000019c10000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c50 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:vsnprintf+0xf1d/0x1620 Code: 6a 0b fd 4c 8b 04 24 48 c7 c6 c0 a6 2c 85 4c 89 c7 41 8b 2f e8 04 b2 d1 fc e8 6f ae d1 fc 89 ee bf 2f 00 00 00 e8 93 b1 d1 fc <83> fd 2f 0f 86 c7 02 00 00 e8 55 ae d1 fc 48 8b 44 24 30 80 38 00 RSP: 0018:ffff88803dae78e8 EFLAGS: 00000297 RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff847fcdbd RDX: ffff888015a7d280 RSI: 000000000000002f RDI: 0000000000000005 RBP: 0000000000000010 R08: 000000000000000f R09: ffffed1007b5cf76 R10: 0000000000000010 R11: fffffffffffc1290 R12: ffff88803dae7bb1 R13: ffffffff84c807a3 R14: 000000000000000f R15: ffff88803dae79e8 sprintf+0xc4/0x100 info_print_prefix+0x1c4/0x210 find_first_fitting_seq+0xd7/0x250 syslog_print_all+0x152/0x3b0 do_syslog.part.0+0x333/0x5a0 __x64_sys_syslog+0x10d/0x170 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2b46a00b19 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:00007f2b43f76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f2b46b13f60 RCX: 00007f2b46a00b19 RDX: 00000000000000fb RSI: 0000000020000380 RDI: 0000000000000003 RBP: 00007f2b46a5af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff68d952ff R14: 00007f2b43f76300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 48 Comm: kworker/u10:2 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 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:unwind_next_frame+0xc6a/0x2490 Code: bf 41 02 ba 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff <49> 8d 7f 50 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffff88800aec7598 EFLAGS: 00000202 RAX: ffff88803df58660 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff88800aec7c01 RSI: ffff88800aec7ca8 RDI: ffff88800aec7ca8 RBP: ffff88800aec7660 R08: 0000000000000001 R09: ffff88800aec7648 R10: 000000000003c001 R11: 00000000000b20fb R12: ffff88800aec7668 R13: ffff88800aec7650 R14: ffff88800aec7ca8 R15: ffff88800aec7608 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005562f384c618 CR3: 000000000b6ec000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 ieee80211_ibss_rx_queued_mgmt+0x19f8/0x2f90 ieee80211_iface_work+0xb5f/0xe40 cfg80211_wiphy_work+0x38d/0x610 process_one_work+0x8ee/0x1a00 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0406 failed: -4 Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0406 failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0406 failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0406 failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0406 failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0406 failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0406 failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0406 failed: -4 ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 1 PID: 5493 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 1 UID: 0 PID: 5493 Comm: syz-executor.6 Tainted: G L 6.12.0-rc3-next-20241016 #1 Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kmem_cache_create_args+0xaf/0x370 Code: 98 48 3d 30 98 cc 85 74 25 48 8b 7b 60 4c 89 e6 e8 76 ee 09 03 85 c0 75 e0 90 48 c7 c7 d8 35 6e 85 4c 89 e6 e8 22 29 a4 ff 90 <0f> 0b 90 90 be 20 00 00 00 4c 89 e7 e8 f0 ef 09 03 48 85 c0 0f 85 RSP: 0018:ffff88803f3b7930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88800c32e780 RCX: ffffc90007823000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1007e76ed7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800d6fa240 R13: 0000000000020018 R14: ffff88803f3b7a10 R15: ffff88803f3b7a50 FS: 00007fd9c0f61700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd9c0f3fd58 CR3: 0000000018de2000 CR4: 0000000000350ef0 Call Trace: p9_client_create+0xde4/0x11a0 v9fs_session_init+0x1e0/0x17b0 v9fs_mount+0xbd/0x9b0 legacy_get_tree+0x109/0x220 vfs_get_tree+0x97/0x380 path_mount+0x13b2/0x1ec0 __x64_sys_mount+0x283/0x300 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9c39ebb19 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:00007fd9c0f61188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd9c3afef60 RCX: 00007fd9c39ebb19 RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fd9c3a45f6d R08: 00000000200004c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd1a57bbf R14: 00007fd9c0f61300 R15: 0000000000022000 irq event stamp: 4071 hardirqs last enabled at (4083): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (4094): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (3932): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3635): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 e6 f6 ff ff jmpq 0xfffff6eb 5: 49 8d 76 f8 lea -0x8(%r14),%rsi 9: ba 08 00 00 00 mov $0x8,%edx e: 4c 89 ff mov %r15,%rdi 11: 4c 89 44 24 20 mov %r8,0x20(%rsp) 16: 48 89 4c 24 18 mov %rcx,0x18(%rsp) 1b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 20: e8 c4 f3 ff ff callq 0xfffff3e9 25: 4d 8d 4f 40 lea 0x40(%r15),%r9 * 29: 84 c0 test %al,%al <-- trapping instruction 2b: 0f 84 9e f8 ff ff je 0xfffff8cf 31: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 36: 48 89 f7 mov %rsi,%rdi 39: e8 ab eb ff ff callq 0xffffebe9 3e: 48 rex.W