------------[ cut here ]------------ WARNING: CPU: 0 PID: 3455 at kernel/time/hrtimer.c:945 hrtimer_forward+0x1e3/0x270 kernel/time/hrtimer.c:945 Modules linked in: CPU: 0 PID: 3455 Comm: syz-executor.2 Not tainted 5.14.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:hrtimer_forward+0x1e3/0x270 kernel/time/hrtimer.c:945 Code: e5 4d 0f 4e ec e8 bd 72 10 00 4c 89 6b 20 e8 b4 72 10 00 4c 89 f0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d 72 10 00 <0f> 0b 45 31 f6 eb dd e8 91 72 10 00 4c 89 e0 48 8b 3c 24 48 99 48 RSP: 0018:ffffc90000007dc8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888082efefe0 RCX: 0000000000000100 RDX: ffff888065b6d4c0 RSI: ffffffff81653843 RDI: 0000000000000003 RBP: 00000000061a8000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff816536f8 R11: 0000000000000000 R12: 0000000000000000 R13: 000001c734cef6ec R14: 0000000000000001 R15: ffffffff8532ffb0 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002d4dc000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mac80211_hwsim_beacon+0x159/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1870 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:rcu_preempt_read_enter kernel/rcu/tree_plugin.h:408 [inline] RIP: 0010:__rcu_read_lock+0x0/0xa0 kernel/rcu/tree_plugin.h:428 Code: 5a 00 e9 fc fe ff ff e8 be d5 5a 00 e9 4d ff ff ff e8 34 d6 5a 00 e9 66 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> b8 00 00 00 00 00 fc ff df 53 65 48 8b 1c 25 40 f0 01 00 48 8d RSP: 0018:ffffc90001def700 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffffffffffff RSI: ffffffff81afbd2d RDI: ffffea00016e6c40 RBP: ffffc90001def750 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81aa91f1 R11: 0000000000000000 R12: ffffea00016e6c48 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffea00016e6c40 rcu_read_lock include/linux/rcupdate.h:685 [inline] lock_page_memcg+0x46/0x7d0 mm/memcontrol.c:2011 page_remove_rmap+0x25/0x1480 mm/rmap.c:1345 zap_pte_range mm/memory.c:1362 [inline] zap_pmd_range mm/memory.c:1481 [inline] zap_pud_range mm/memory.c:1510 [inline] zap_p4d_range mm/memory.c:1531 [inline] unmap_page_range+0xed5/0x2a10 mm/memory.c:1552 unmap_single_vma+0x198/0x300 mm/memory.c:1597 unmap_vmas+0x16d/0x2f0 mm/memory.c:1629 exit_mmap+0x1d0/0x620 mm/mmap.c:3201 __mmput+0x122/0x470 kernel/fork.c:1101 mmput+0x58/0x60 kernel/fork.c:1122 exit_mm kernel/exit.c:501 [inline] do_exit+0xae2/0x2a60 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2160 kernel/signal.c:2808 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 Code: Unable to access opcode bytes at RIP 0x4665cf. RSP: 002b:00007f8e40247218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c R13: 00007ffc84c38c2f R14: 00007f8e40247300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: e9 fc fe ff ff jmpq 0xffffff01 5: e8 be d5 5a 00 callq 0x5ad5c8 a: e9 4d ff ff ff jmpq 0xffffff5c f: e8 34 d6 5a 00 callq 0x5ad648 14: e9 66 ff ff ff jmpq 0xffffff7f 19: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 20: 00 00 00 00 24: 0f 1f 40 00 nopl 0x0(%rax) * 28: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2f: fc ff df 32: 53 push %rbx 33: 65 48 8b 1c 25 40 f0 mov %gs:0x1f040,%rbx 3a: 01 00 3c: 48 rex.W 3d: 8d .byte 0x8d