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WARNING: CPU: 2 PID: 5010 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Modules linked in:
CPU: 2 PID: 5010 Comm: systemd-udevd Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 60 c8 d8 89 e8 ec fb ef ff e9 e5 fe ff ff e8 32 ef 26 fd <0f> 0b e9 88 fd ff ff e8 d6 a9 6a fd e9 11 fe ff ff 4c 89 ef e8 c9
RSP: 0018:ffffc90000550df0 EFLAGS: 00010046
RAX: 0000000000010000 RBX: ffff88801404de58 RCX: 0000000000000000
RDX: ffff88801a8a8000 RSI: ffffffff844d061e RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff844d03a3 R11: 0000000000000000 R12: ffff88801404cd30
R13: 0000000000fe4c00 R14: ffff88802cc26340 R15: ffffffff844d0300
FS:  00007f0919e8b8c0(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000009100404 CR3: 000000001a3b6000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:kasan_set_track mm/kasan/common.c:45 [inline]
RIP: 0010:set_alloc_info mm/kasan/common.c:427 [inline]
RIP: 0010:____kasan_kmalloc mm/kasan/common.c:506 [inline]
RIP: 0010:____kasan_kmalloc mm/kasan/common.c:465 [inline]
RIP: 0010:__kasan_kmalloc+0x90/0xc0 mm/kasan/common.c:515
Code: e8 95 22 00 00 49 63 84 24 bc 00 00 00 85 c0 74 27 48 01 d8 49 89 c4 74 1f 65 48 8b 04 25 00 f0 01 00 8b 80 58 05 00 00 89 ef <41> 89 04 24 e8 27 ff ff ff 41 89 44 24 04 48 89 d8 5b 5d 41 5c 41
RSP: 0018:ffffc90000867a38 EFLAGS: 00010286
RAX: 0000000000001392 RBX: ffff88804196c000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000000000fc RDI: 0000000000000c40
RBP: 0000000000000c40 R08: 0000000000000c40 R09: ffffed100832da00
R10: ffffffff8179e4c8 R11: 00000000ffffffff R12: ffff88804196d000
R13: 0000000000001000 R14: ffffc90000867b50 R15: 0000000000001000
 kmalloc include/linux/slab.h:559 [inline]
 tomoyo_realpath_from_path+0xc3/0x620 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x21b/0x400 security/tomoyo/file.c:822
 security_inode_getattr+0xcf/0x140 security/security.c:1288
 vfs_getattr fs/stat.c:131 [inline]
 vfs_statx+0x164/0x390 fs/stat.c:199
 vfs_fstatat fs/stat.c:217 [inline]
 vfs_lstat include/linux/fs.h:3240 [inline]
 __do_sys_newlstat+0x91/0x110 fs/stat.c:372
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0918cfd335
Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89
RSP: 002b:00007ffe2921ec18 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00005584cda27940 RCX: 00007f0918cfd335
RDX: 00007ffe2921ec50 RSI: 00007ffe2921ec50 RDI: 00005584cda26940
RBP: 00007ffe2921ed10 R08: 00007f0918fbc178 R09: 0000000000001010
R10: 00007f0918fbbb58 R11: 0000000000000246 R12: 00005584cda26940
R13: 00005584cda26963 R14: 00005584cda36d01 R15: 00005584cda36d03