syzbot


kernel panic: panic_on_warn set

Status: upstream: reported C repro on 2020/11/27 15:20
Reported-by: syzbot+eb2b558aa09828431d57@syzkaller.appspotmail.com
First crash: 739d, last: 641d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: panic_on_warn set (4) syz error 2 452d 452d 0/24 closed as invalid on 2021/09/13 11:45
upstream kernel panic: panic_on_warn set syz error 1 473d 473d 0/24 closed as invalid on 2021/08/23 09:16
upstream kernel panic: panic_on_warn set (3) syz error 1 454d 453d 0/24 closed as invalid on 2021/09/10 07:34
upstream kernel panic: panic_on_warn set (2) syz error 1 455d 454d 0/24 closed as invalid on 2021/09/08 09:41

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 360 at mm/page_alloc.c:4837 __alloc_pages_nodemask+0x529/0x7c0 mm/page_alloc.c:4837
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 360 Comm: syz-executor743 Not tainted 5.4.91-syzkaller-00438-g15cec007c4a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1dd/0x24e lib/dump_stack.c:118
 panic+0x285/0x750 kernel/panic.c:221
 __warn+0x1fd/0x200 kernel/panic.c:582
 report_bug+0x390/0x4d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap arch/x86/kernel/traps.c:272 [inline]
 do_invalid_op+0x6e/0x110 arch/x86/kernel/traps.c:291
 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:1029
RIP: 0010:__alloc_pages_nodemask+0x529/0x7c0 mm/page_alloc.c:4837
Code: 24 e0 00 00 00 0f 85 a3 02 00 00 4c 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 41 f7 c6 00 20 00 00 0f 85 c9 fc ff ff <0f> 0b 45 31 e4 eb 96 31 db e9 24 fc ff ff 65 48 8b 1c 25 80 ed 01
RSP: 0018:ffff8881e8baf280 EFLAGS: 00010246
RAX: ffff8881e8baf300 RBX: 000000000000000b RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffff8881e8baf328
RBP: ffff8881e8baf3a8 R08: dffffc0000000000 R09: ffff8881e8baf300
R10: ffffed103d175e65 R11: 0000000000000000 R12: 00000000005fdfc0
R13: ffff8881e8baf300 R14: 0000000000040cc0 R15: dffffc0000000000
 __alloc_pages include/linux/gfp.h:503 [inline]
 __alloc_pages_node include/linux/gfp.h:516 [inline]
 alloc_pages_node include/linux/gfp.h:530 [inline]
 kmalloc_order mm/slab_common.c:1338 [inline]
 kmalloc_order_trace+0x2a/0xf0 mm/slab_common.c:1354
 kmalloc_large include/linux/slab.h:485 [inline]
 __kmalloc+0x266/0x2d0 mm/slub.c:3852
 kmalloc_array include/linux/slab.h:618 [inline]
 __set_selection_kernel drivers/tty/vt/selection.c:314 [inline]
 set_selection_kernel+0xda9/0x1760 drivers/tty/vt/selection.c:354
 set_selection_user+0xb9/0xf0 drivers/tty/vt/selection.c:186
 vt_ioctl+0x479/0x3f40 drivers/tty/vt/vt_ioctl.c:372
 tty_ioctl+0xed5/0x1710 drivers/tty/tty_io.c:2657
 do_vfs_ioctl+0x769/0x1720 fs/ioctl.c:47
 ksys_ioctl fs/ioctl.c:742 [inline]
 __do_sys_ioctl fs/ioctl.c:749 [inline]
 __se_sys_ioctl fs/ioctl.c:747 [inline]
 __x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x441369
Code: e8 3c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd842822e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441369
RDX: 0000000020000000 RSI: 000000000000541c RDI: 0000000000000003
RBP: 0000000000005eff R08: 000000000000000d R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402110
R13: 00000000004021a0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (52):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-4-kasan 2021/01/21 18:16 android12-5.4 15cec007c4a8 d4f4eca5 .config log report syz C kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/01/10 05:06 android12-5.4 47494776db44 2c1f2513 .config log report syz C
ci2-android-5-4-kasan 2021/01/08 06:48 android12-5.4 40124ac5f6c7 c104d4a3 .config log report syz C
ci2-android-5-4-kasan 2021/01/05 13:49 android12-5.4 e627b02af655 a0234d98 .config log report syz C
ci2-android-5-4-kasan 2020/12/18 20:56 android12-5.4 cd5f5cb9fe67 04201c06 .config log report syz C
ci2-android-5-4-kasan 2020/12/14 13:01 android12-5.4 35d8dcbb1c64 b22a7ec3 .config log report syz C
ci2-android-5-4-kasan 2020/12/11 08:14 android12-5.4 b5ec68248f76 f900b48c .config log report syz C
ci2-android-5-4-kasan 2020/12/10 14:44 android12-5.4 d7ec680881a1 2a55c22b .config log report syz C
ci2-android-5-4-kasan 2020/12/10 10:34 android12-5.4 d7ec680881a1 c090b4da .config log report syz C
ci2-android-5-4-kasan 2020/12/10 00:19 android12-5.4 d7ec680881a1 c090b4da .config log report syz C
ci2-android-5-4-kasan 2020/12/09 18:11 android12-5.4 d7ec680881a1 99917735 .config log report syz C
ci2-android-5-4-kasan 2020/11/30 00:33 android12-5.4 e37aca80313f a0092f9d .config log report syz C
ci2-android-5-4-kasan 2021/03/06 05:15 android12-5.4 6904f0001e4e 4a024a9b .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/14 03:59 android12-5.4 dbfedfa31471 98682e5e .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/06 07:31 android12-5.4 3e99096f6219 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/06 06:29 android12-5.4 3e99096f6219 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/06 04:14 android12-5.4 3e99096f6219 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/06 02:19 android12-5.4 3e99096f6219 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/06 01:40 android12-5.4 3e99096f6219 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/05 23:49 android12-5.4 147896b43e61 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/05 19:46 android12-5.4 147896b43e61 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/05 17:28 android12-5.4 147896b43e61 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/05 16:56 android12-5.4 147896b43e61 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/02/05 14:50 android12-5.4 147896b43e61 23a562df .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/01/28 23:35 android12-5.4 b5413c2c1672 7df34f59 .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/01/28 08:40 android12-5.4 5f5bfa0cfcb5 eefc07f2 .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/01/17 18:11 android12-5.4 dc04463953b2 fd103621 .config log report syz kernel panic: panic_on_warn set
ci2-android-5-4-kasan 2021/01/14 07:22 android12-5.4 e5e14bf558c4 269d24e8 .config log report syz
ci2-android-5-4-kasan 2021/01/13 12:48 android12-5.4 e1d2125552ac a945f0a3 .config log report syz
ci2-android-5-4-kasan 2021/01/13 00:04 android12-5.4 06fb191a3ca7 0cdd6185 .config log report syz
ci2-android-5-4-kasan 2021/01/10 08:19 android12-5.4 47494776db44 2c1f2513 .config log report syz
ci2-android-5-4-kasan 2021/01/07 02:16 android12-5.4 5ada3574dbac c104d4a3 .config log report syz
ci2-android-5-4-kasan 2021/01/04 03:33 android12-5.4 e627b02af655 79264ae3 .config log report syz
ci2-android-5-4-kasan 2020/12/25 08:08 android12-5.4 8657d5d6282f c2c1d1dd .config log report syz
ci2-android-5-4-kasan 2020/12/21 08:19 android12-5.4 cd5f5cb9fe67 04201c06 .config log report syz
ci2-android-5-4-kasan 2020/12/14 02:47 android12-5.4 35d8dcbb1c64 8f160dd5 .config log report syz
ci2-android-5-4-kasan 2020/12/13 15:41 android12-5.4 35d8dcbb1c64 bca53db9 .config log report syz
ci2-android-5-4-kasan 2020/12/12 08:56 android12-5.4 6dd7aff0b143 bca53db9 .config log report syz
ci2-android-5-4-kasan 2020/12/10 04:52 android12-5.4 d7ec680881a1 c090b4da .config log report syz
ci2-android-5-4-kasan 2020/12/09 22:56 android12-5.4 d7ec680881a1 c090b4da .config log report syz
ci2-android-5-4-kasan 2020/12/09 07:07 android12-5.4 ffb252dae168 40cc414d .config log report syz
ci2-android-5-4-kasan 2020/12/08 12:43 android12-5.4 32c81c873563 9af51e31 .config log report syz
ci2-android-5-4-kasan 2020/12/02 05:47 android12-5.4 b0740987963f c42a35e9 .config log report syz
ci2-android-5-4-kasan 2020/12/02 04:56 android12-5.4 b0740987963f c42a35e9 .config log report syz
ci2-android-5-4-kasan 2020/12/01 17:24 android12-5.4 294f0ab978d3 07bfe8a5 .config log report syz
ci2-android-5-4-kasan 2020/12/01 09:48 android12-5.4 3f826414fc44 b3a34598 .config log report syz
ci2-android-5-4-kasan 2020/11/30 15:02 android12-5.4 e37aca80313f 76831598 .config log report syz
ci2-android-5-4-kasan 2020/11/29 16:46 android12-5.4 e37aca80313f a0092f9d .config log report syz
ci2-android-5-4-kasan 2020/11/29 10:55 android12-5.4 e37aca80313f a0092f9d .config log report syz
ci2-android-5-4-kasan 2020/11/28 07:54 android12-5.4 e37aca80313f 486f93ef .config log report syz
ci2-android-5-4-kasan 2020/11/28 02:30 android12-5.4 e37aca80313f 486f93ef .config log report syz
ci2-android-5-4-kasan 2020/11/27 15:19 android12-5.4 e37aca80313f 486f93ef .config log report syz
* Struck through repros no longer work on HEAD.