------------[ cut here ]------------ WARNING: CPU: 3 PID: 4696 at arch/x86/mm/tlb.c:515 switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Modules linked in: CPU: 3 PID: 4696 Comm: udevd Not tainted 6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Code: ff 44 8d 6b 02 48 63 d3 49 8d 8e 18 06 00 00 4d 63 ed 49 c1 e5 04 4d 8d 8d c0 d8 03 00 49 81 c5 c8 d8 03 00 e9 75 fd ff ff 90 <0f> 0b 90 e9 e3 f7 ff ff 90 0f 0b 90 e8 df f5 ff ff e9 20 f8 ff ff RSP: 0018:ffffc90003b0f918 EFLAGS: 00010202 RAX: 0000000000000282 RBX: ffff8880265b0000 RCX: ffff888026dbf200 RDX: 1ffff11004db7f1a RSI: ffffffff8b6f0820 RDI: ffffffff8b6f0860 RBP: ffff888025194280 R08: 0000000000000000 R09: ffffed1004db7e59 R10: ffff888026dbf2cb R11: 0000000000000000 R12: ffff88802c53f500 R13: ffff88801967a440 R14: ffff888026dbf200 R15: ffff88802c53ea80 FS: 00007f6b800a6280(0000) GS:ffff88802c500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f74a6028 CR3: 000000001b0f6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:5393 [inline] __schedule+0xd2b/0x5d00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x20f/0x430 kernel/time/hrtimer.c:2312 ep_poll fs/eventpoll.c:2026 [inline] do_epoll_wait+0x13d4/0x1ae0 fs/eventpoll.c:2428 __do_sys_epoll_wait fs/eventpoll.c:2440 [inline] __se_sys_epoll_wait fs/eventpoll.c:2435 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2435 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x72/0x7a RIP: 0033:0x7f6b7fd23457 Code: 73 01 c3 48 8b 0d d1 d9 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 e8 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 76 48 8b 15 a2 d9 0c 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffdd2ddb268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ffdd2ddb368 RCX: 00007f6b7fd23457 RDX: 0000000000000008 RSI: 00007ffdd2ddb368 RDI: 000000000000000b RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000bb8 R13: 0000000200000001 R14: 0000000000000000 R15: 0000000000000000