general protection fault: 0000 [#1] SMP PTI CPU: 0 PID: 11619 Comm: syz-executor0 Not tainted 4.18.0-rc8+ #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__hlist_del include/linux/list.h:651 [inline] RIP: 0010:detach_timer kernel/time/timer.c:817 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1353 [inline] RIP: 0010:__run_timers+0xc3a/0x1170 kernel/time/timer.c:1666 Code: 2c b2 1a 00 49 83 c7 08 4d 85 f6 0f 85 b2 02 00 00 4c 89 ff e8 07 05 74 00 4c 89 20 4d 85 e4 4c 8b 74 24 40 0f 85 a7 02 00 00 <4d> 89 2f eb 1b 8b 7c 24 38 e8 f8 0d 74 00 4d 85 ff 75 c2 0f 1f 00 RSP: 0018:ffff88021fc0fda0 EFLAGS: 00010046 RAX: ffffffff8a1ae000 RBX: 0000000000000000 RCX: ffff88011b631d00 RDX: ffffffff8a1af000 RSI: 0000000000000008 RDI: dead000000000208 RBP: ffff88021fc0feb0 R08: 0000000000480020 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff814a9d10 R12: 0000000000000000 R13: ffff88021fc0fe30 R14: ffff8801bc758380 R15: dead000000000208 FS: 0000000000ade940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000adec10 CR3: 000000011e25c000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692 __do_softirq+0x582/0x969 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x208/0x240 kernel/softirq.c:414 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:527 smp_apic_timer_interrupt+0x64/0x90 arch/x86/kernel/apic/apic.c:1058 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:868 RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:78 [inline] RIP: 0010:task_kmsan_context_state+0xd0/0x110 mm/kmsan/kmsan.c:117 Code: 1c cd f0 06 5b 89 eb 0a 4c 89 f3 48 81 c3 f8 08 00 00 41 89 86 ec 08 00 00 85 c0 75 2f e8 88 4f 4c ff 4c 89 65 d0 ff 75 d0 9d <48> 89 d8 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d c3 0f 0b 0f 1f 40 00 RSP: 0018:ffff8801a945f678 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff88011b632678 RCX: 0000000000000001 RDX: ffff8801d4268c50 RSI: ffff8801a945f7a0 RDI: ffff8801d4298c50 RBP: ffff8801a945f6a8 R08: ffffffff7fffff00 R09: ffff8801b1f8f700 R10: 0000000000000000 R11: ffffffff81cb9610 R12: 0000000000000246 R13: 0000000000000000 R14: ffff88011b631d80 R15: 0000000000000000 __msan_get_context_state+0x9/0x30 mm/kmsan/kmsan_instr.c:656 super_cache_count+0x1d/0x420 fs/super.c:117 do_shrink_slab mm/vmscan.c:374 [inline] shrink_slab+0x5f8/0x16d0 mm/vmscan.c:531 shrink_node+0x67e/0x2100 mm/vmscan.c:2577 shrink_zones mm/vmscan.c:2810 [inline] do_try_to_free_pages+0x52e/0x1ff0 mm/vmscan.c:2872 try_to_free_mem_cgroup_pages+0x6c9/0x940 mm/vmscan.c:3162 reclaim_high mm/memcontrol.c:1862 [inline] mem_cgroup_handle_over_high+0x644/0x8f0 mm/memcontrol.c:1887 tracehook_notify_resume include/linux/tracehook.h:194 [inline] exit_to_usermode_loop arch/x86/entry/common.c:166 [inline] prepare_exit_to_usermode+0x2d6/0x410 arch/x86/entry/common.c:197 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268 ret_from_fork+0x15/0x40 arch/x86/entry/entry_64.S:408 RIP: 0033:0x45573a Code: Bad RIP value. RSP: 002b:0000000000a3fd80 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 0000000000a3fd80 RCX: 000000000045573a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000a3fdc0 R08: 0000000000000001 R09: 0000000000ade940 R10: 0000000000adec10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: badc0ffeebadface Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace b2474c6c6d1a397f ]--- RIP: 0010:__hlist_del include/linux/list.h:651 [inline] RIP: 0010:detach_timer kernel/time/timer.c:817 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1353 [inline] RIP: 0010:__run_timers+0xc3a/0x1170 kernel/time/timer.c:1666 Code: 2c b2 1a 00 49 83 c7 08 4d 85 f6 0f 85 b2 02 00 00 4c 89 ff e8 07 05 74 00 4c 89 20 4d 85 e4 4c 8b 74 24 40 0f 85 a7 02 00 00 <4d> 89 2f eb 1b 8b 7c 24 38 e8 f8 0d 74 00 4d 85 ff 75 c2 0f 1f 00 RSP: 0018:ffff88021fc0fda0 EFLAGS: 00010046 RAX: ffffffff8a1ae000 RBX: 0000000000000000 RCX: ffff88011b631d00 RDX: ffffffff8a1af000 RSI: 0000000000000008 RDI: dead000000000208 RBP: ffff88021fc0feb0 R08: 0000000000480020 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff814a9d10 R12: 0000000000000000 R13: ffff88021fc0fe30 R14: ffff8801bc758380 R15: dead000000000208 FS: 0000000000ade940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000455710 CR3: 000000011e25c000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600