------------[ cut here ]------------
WARNING: CPU: 0 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: 0 PID: 4696 Comm: udevd Not tainted 6.9.0-rc2-syzkaller-00080-gc85af715cac0 #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:ffffc900038af350 EFLAGS: 00010202
RAX: 0000000000000296 RBX: ffff88801d7b0000 RCX: ffff88801c176880
RDX: 1ffff1100382edea RSI: ffffffff8b6f0fa0 RDI: ffffffff8b6f0fe0
RBP: ffff888026450980 R08: 0000000000000000 R09: ffffed100382ed29
R10: ffff88801c17694b R11: 0000000000000000 R12: ffff88802c23f500
R13: ffff888021a80000 R14: ffff88801c176880 R15: ffff88802c23ea80
FS:  00007f41cbf5a280(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000031321000 CR3: 0000000018e28000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5393 [inline]
 __schedule+0xd2b/0x5d00 kernel/sched/core.c:6746
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6925
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:12
 unwind_next_frame+0x1c90/0x23a0 arch/x86/kernel/unwind_orc.c:672
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:3966 [inline]
 __kmalloc+0x1f9/0x440 mm/slub.c:3979
 kmalloc include/linux/slab.h:632 [inline]
 kzalloc include/linux/slab.h:749 [inline]
 tomoyo_encode2+0x100/0x3e0 security/tomoyo/realpath.c:45
 tomoyo_encode security/tomoyo/realpath.c:80 [inline]
 tomoyo_realpath_from_path+0x1a7/0x710 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x273/0x480 security/tomoyo/file.c:822
 security_inode_getattr+0xf4/0x160 security/security.c:2269
 vfs_getattr fs/stat.c:173 [inline]
 vfs_fstat+0x53/0xd0 fs/stat.c:198
 vfs_fstatat+0x134/0x150 fs/stat.c:300
 __do_sys_newfstatat+0x98/0x120 fs/stat.c:468
 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: 0033:0x7f41cbb165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fffef5dea58 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00005612163dfe00 RCX: 00007f41cbb165f4
RDX: 00007fffef5dea70 RSI: 00007f41cbbb3130 RDI: 000000000000000f
RBP: 0000561216499eb0 R08: 0000000000090800 R09: 00005612163e1a50
R10: 0000000000001000 R11: 0000000000000206 R12: 00007fffef5dea70
R13: 00000000000000fd R14: 00005611f4d0b1c4 R15: 0000000000000000
 </TASK>