watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.7:4357] Modules linked in: irq event stamp: 5141895 hardirqs last enabled at (5141894): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5141895): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5140486): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5140489): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4357 Comm: syz-executor.7 Not tainted 6.2.0-rc3-next-20230110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire.part.0+0x14d/0x340 Code: 87 84 48 83 c4 20 e8 62 3d 16 03 b8 ff ff ff ff 65 0f c1 05 b5 67 d6 7e 83 f8 01 0f 85 9f 01 00 00 48 85 ed 0f 85 90 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806cf09738 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9e12e9 RCX: 0000000000005f90 RDX: 1ffff11008bb07db RSI: 0000000000000302 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff876529af R10: fffffbfff0eca535 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff888044221680 FS: 00007fc3a9a62700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1be1633000 CR3: 000000001896e000 CR4: 0000000000350ee0 Call Trace: _raw_spin_lock_bh+0x33/0x40 ieee80211_rx_handlers+0xd9/0xa6d0 ieee80211_prepare_and_rx_handle+0x1cda/0x5df0 ieee80211_rx_for_interface+0x141/0x3b0 ieee80211_rx_list+0x18b1/0x2f10 ieee80211_rx_napi+0xde/0x3c0 ieee80211_tasklet_handler+0xd8/0x140 tasklet_action_common.constprop.0+0x208/0x2f0 __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+0xfc/0x130 Code: e0 06 87 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 08 39 c0 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c6 3e 02 00 45 31 ed eb RSP: 0018:ffff888043ea7258 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8560ac20 R08: 0000000000000000 R09: ffffffff85d0ea97 R10: fffffbfff0ba1d52 R11: 0000000000000001 R12: ffff888045d83580 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888045d83f30 rcu_read_lock_sched_held+0x42/0x80 trace_lock_acquire+0x16c/0x1c0 lock_acquire+0x32/0xc0 get_mem_cgroup_from_mm+0x270/0x580 __mem_cgroup_charge+0x17/0x90 __filemap_add_folio+0x5c3/0xdb0 filemap_add_folio+0x9f/0x1c0 page_cache_ra_unbounded+0x1d7/0x5e0 ondemand_readahead+0x8d7/0x1110 page_cache_sync_ra+0x1c9/0x200 filemap_get_pages+0x2d2/0x1590 filemap_read+0x315/0xb60 generic_file_read_iter+0x35c/0x550 ext4_file_read_iter+0x186/0x4a0 generic_file_splice_read+0x18b/0x4d0 do_splice_to+0x1bc/0x240 splice_direct_to_actor+0x2b0/0x8c0 do_splice_direct+0x1bc/0x290 do_sendfile+0xb1d/0x12c0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc3ac4ecb19 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:00007fc3a9a62188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc3ac5fff60 RCX: 00007fc3ac4ecb19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 RBP: 00007fc3ac546f6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000fffffdef R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff6c2184ff R14: 00007fc3a9a62300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4351 Comm: syz-executor.4 Not tainted 6.2.0-rc3-next-20230110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mark_lock.part.0+0x2a/0x2f70 Code: 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 48 89 f5 53 48 81 ec 38 01 00 00 48 8d 5c 24 38 48 89 3c 24 <48> c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40 28 2f 1d 85 RSP: 0018:ffff88806ce092b0 EFLAGS: 00000082 RAX: 0000000000000001 RBX: ffff88806ce092e8 RCX: ffffffff812bb1bf RDX: dffffc0000000000 RSI: ffff88801bfe24c0 RDI: ffff88801bfe1ac0 RBP: ffff88801bfe24c0 R08: 0000000000000000 R09: ffffffff8765290f R10: fffffbfff0eca521 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88801bfe24c0 R14: 0000000000000000 R15: 0000000000066000 FS: 00007f5d59965700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005637c2b0e570 CR3: 000000000daac000 CR4: 0000000000350ef0 Call Trace: __lock_acquire+0x14a8/0x5e00 lock_acquire.part.0+0x11e/0x340 ktime_get_update_offsets_now+0x9b/0x360 hrtimer_interrupt+0x13b/0x770 __sysvec_apic_timer_interrupt+0x148/0x510 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:arch_stack_walk+0x91/0xf0 Code: ff ff 85 d2 75 24 eb 36 4c 89 e7 e8 79 ec 38 03 84 c0 74 2a 48 8d bd 68 ff ff ff e8 c9 1d 07 00 8b 85 68 ff ff ff 85 c0 74 14 <48> 8d bd 68 ff ff ff e8 23 1b 07 00 48 89 c6 48 85 c0 75 ca 48 8b RSP: 0018:ffff88806ce09868 EFLAGS: 00000202 RAX: 0000000000000002 RBX: ffffffff81385af0 RCX: 0000000000000000 RDX: 0000000000000101 RSI: ffff88806ce09ab8 RDI: 0000000000000001 RBP: ffff88806ce09900 R08: ffffffff860ff28e R09: ffffffff860ff292 R10: ffffed100d9c131a R11: ffff88806ce098a8 R12: ffff88806ce09930 R13: 0000000000000000 R14: ffff88801bfe1ac0 R15: ffff8880201505f0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 __kmem_cache_alloc_node+0x1ed/0x2f0 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 __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:stack_access_ok+0x97/0x1d0 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 17 01 00 00 48 8b 43 10 49 39 ed 77 1a 48 39 e8 76 15 4a 8d 54 25 00 48 39 d0 0f 93 c0 <49> 39 d5 0f 92 c2 20 d0 75 38 48 8d 7b 28 48 8d 4b 20 48 b8 00 00 RSP: 0018:ffff888044d7f8a0 EFLAGS: 00000202 RAX: ffff888044d80001 RBX: ffff888044d7f958 RCX: 0000000000000001 RDX: ffff888044d7fdf0 RSI: ffff888044d7fde8 RDI: ffff888044d7f968 RBP: ffff888044d7fde8 R08: ffffffff86114c36 R09: ffffffff86114c3a R10: ffffed10089aff38 R11: ffff888044d7f998 R12: 0000000000000008 R13: ffff888044d78000 R14: ffff888044d7f958 R15: 0000000000000003 unwind_next_frame+0x14e5/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x300 security_inode_alloc+0x38/0x160 inode_init_always+0xbb2/0xea0 alloc_inode+0x84/0x240 new_inode_pseudo+0x17/0x80 alloc_anon_inode+0x26/0x3d0 ioctx_alloc+0x47b/0x1f20 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f5d5c3efb19 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:00007f5d59965188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f5d5c502f60 RCX: 00007f5d5c3efb19 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000040 RBP: 00007f5d5c449f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff19c364ff R14: 00007f5d59965300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 48 83 c4 20 add $0x20,%rsp 4: e8 62 3d 16 03 callq 0x3163d6b 9: b8 ff ff ff ff mov $0xffffffff,%eax e: 65 0f c1 05 b5 67 d6 xadd %eax,%gs:0x7ed667b5(%rip) # 0x7ed667cb 15: 7e 16: 83 f8 01 cmp $0x1,%eax 19: 0f 85 9f 01 00 00 jne 0x1be 1f: 48 85 ed test %rbp,%rbp 22: 0f 85 90 01 00 00 jne 0x1b8 * 28: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2f: fc ff df 32: 48 01 c3 add %rax,%rbx 35: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3c: 48 rex.W 3d: c7 .byte 0xc7