EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir108860493/syzkaller.cowRYh/54/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.0:5331] Modules linked in: irq event stamp: 6577549 hardirqs last enabled at (6577548): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (6577549): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (6571582): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6571585): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 5331 Comm: syz-executor.0 Not tainted 6.1.0-rc3-next-20221103 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 de 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806d009a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff843927e7 RDX: fffffbfff0b08249 RSI: 0000000000000004 RDI: ffffffff85841240 RBP: ffffffff85841240 R08: 0000000000000000 R09: ffffffff85841243 R10: fffffbfff0b08248 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b08248 R14: 0000000000000001 R15: 1ffff1100da01346 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555c23c98 CR3: 000000000dd64000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1dc/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:__rcu_read_unlock+0xc4/0x520 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 9f 01 00 00 8b 85 f8 03 00 00 85 c0 75 58 <65> 48 8b 1c 25 c0 76 03 00 48 8d bb f4 03 00 00 48 b8 00 00 00 00 RSP: 0018:ffff88801599f690 EFLAGS: 00000206 RAX: 0000000000577e09 RBX: ffff888016650000 RCX: ffffffff812af13f RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8740e807 R10: fffffbfff0e81d00 R11: 0000000000000001 R12: ffff88806d038e00 R13: ffff88800de4ad00 R14: 0000000000000200 R15: dffffc0000000000 unlock_page_memcg+0xc3/0x230 page_remove_rmap+0xfa/0x490 unmap_page_range+0x1c46/0x2a50 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0x993/0x2720 do_group_exit+0xd0/0x2a0 get_signal+0x2195/0x22d0 arch_do_signal_or_restart+0x75/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f398957fb19 Code: Unable to access opcode bytes at 0x7f398957faef. RSP: 002b:00007f3986af5188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 00007f3989692f60 RCX: 00007f398957fb19 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f39895d9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000240 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc88683ef R14: 00007f3986af5300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5335 Comm: syz-executor.2 Not tainted 6.1.0-rc3-next-20221103 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x21/0x40 Code: 90 90 90 90 90 90 90 90 90 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 d6 79 29 03 48 89 c6 31 d2 bf e0 06 00 00 e8 f7 e1 RSP: 0018:ffff88806d109470 EFLAGS: 00000012 RAX: 0000017335267ec0 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000173 RSI: ffff88806d127100 RDI: 000000000000015d RBP: ffff88806d127100 R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000027d R11: 0000000000000001 R12: 000000000000015d R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806d12a600 FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000616000 CR3: 000000000c322000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x244/0x360 tick_program_event+0xac/0x140 hrtimer_interrupt+0x366/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 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:ffff88806d109650 EFLAGS: 00000217 RAX: 1ffffffff0bc1722 RBX: ffffffff85e0b914 RCX: ffffffff8436ba27 RDX: 0000000000000000 RSI: ffffffff8625e236 RDI: ffffffff85e0b904 RBP: ffffffff85e0b904 R08: ffffffff8625e236 R09: ffffffff8625f5a2 R10: ffff88806d109ff8 R11: 0000000000036001 R12: ffffffff85e0b924 R13: ffffffff85e0b904 R14: ffffffff85e0b904 R15: dffffc0000000000 unwind_next_frame+0x2ad/0x2130 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 __kasan_slab_alloc+0x58/0x70 kmem_cache_alloc_node+0x1c6/0x400 __alloc_skb+0x216/0x310 skb_copy+0x139/0x3c0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 03 b8 ff ff ff ff 65 0f c1 05 11 df d6 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff888040ff7590 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff110081feeb4 RCX: 0000000036b03e6e RDX: 1ffff11002e67b33 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8740e807 R10: fffffbfff0e81d00 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85407920 R15: 0000000000000000 folio_memcg_lock+0x3a/0x4a0 page_remove_rmap+0x1e/0x490 unmap_page_range+0x1c46/0x2a50 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0x993/0x2720 do_group_exit+0xd0/0x2a0 get_signal+0x2195/0x22d0 arch_do_signal_or_restart+0x75/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbb0b963a04 Code: Unable to access opcode bytes at 0x7fbb0b9639da. RSP: 002b:00007fbb08f26060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: fffffffffffffff3 RBX: 00007fbb0bac3f60 RCX: 00007fbb0b963a04 RDX: 0000000000000002 RSI: 00007fbb08f260f0 RDI: 00000000ffffff9c RBP: 00007fbb08f260f0 R08: 0000000000000000 R09: 00007fbb08f25f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007fff18b93ccf R14: 00007fbb08f26300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 cd 0a 00 00 jne 0xadf 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 de 1f 00 00 jmpq 0x2006 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e5 test %ah,%ch