syzbot


WARNING in split_huge_page_to_list

Status: upstream: reported C repro on 2023/03/12 08:31
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+2a002f9b698254803925@syzkaller.appspotmail.com
First crash: 468d, last: 18h40m
Bug presence (2)
Date Name Commit Repro Result
2023/05/14 linux-5.15.y (ToT) b0ece631f84a C [report] WARNING in split_huge_page_to_list
2023/05/13 upstream (ToT) d4d58949a6ea C Didn't crash
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in split_huge_page_to_list (2) mm C error 2334 405d 669d 22/27 fixed on 2023/06/08 14:41
linux-6.1 WARNING in split_huge_page_to_list C done 140 423d 468d 3/3 fixed on 2023/05/30 15:47
upstream WARNING in split_huge_page_to_list kernel 13 1009d 1037d 0/27 auto-closed as invalid on 2022/01/15 05:12
Fix bisection attempts (6)
Created Duration User Patch Repo Result
2024/05/27 18:20 0m fix candidate upstream error job log (0)
2024/03/22 19:47 1m fix candidate upstream error job log (0)
2024/01/20 08:39 1m fix candidate upstream error job log (0)
2023/12/13 08:09 1m fix candidate upstream error job log (0)
2023/10/24 05:19 0m fix candidate upstream error job log (0)
2023/09/13 22:34 1m fix candidate upstream error job log (0)

Sample crash report:
raw: 05ffe00000010801 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_WARN_ON_ONCE_PAGE(is_hzp)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3960 at mm/huge_memory.c:2628 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2628
Modules linked in:
CPU: 0 PID: 3960 Comm: syz-executor360 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2628
lr : split_huge_page_to_list+0x890/0x2d88 mm/huge_memory.c:2628
sp : ffff800018e87460
x29: ffff800018e87610 x28: 1fffff80006fc000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff800018e87580 x24: ffff0001fec6fd80
x23: dfff800000000000 x22: 05ffe00000010801 x21: fffffc00037e0000
x20: ffff800016d4f000 x19: 00000000fffffff0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000119967f4 x15: 00000000ffffffff
x14: ffff0000c9171b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : bbd402b3b5815300
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800018e868d8 x4 : ffff800014a1f7c0 x3 : ffff800008550224
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000031
Call trace:
 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2628
 split_huge_page include/linux/huge_mm.h:192 [inline]
 try_to_split_thp_page+0xf0/0x1d4 mm/memory-failure.c:1454
 memory_failure+0x714/0x1f00 mm/memory-failure.c:1821
 madvise_inject_error mm/madvise.c:973 [inline]
 do_madvise+0x514/0x2c70 mm/madvise.c:1166
 __do_sys_madvise mm/madvise.c:1233 [inline]
 __se_sys_madvise mm/madvise.c:1231 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1231
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 13752
hardirqs last  enabled at (13751): [<ffff80000832c48c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (13752): [<ffff800011991e80>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (13722): [<ffff800008021c64>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (13722): [<ffff800008021c64>] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587
softirqs last disabled at (13615): [<ffff8000081b6568>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (13615): [<ffff8000081b6568>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (13615): [<ffff8000081b6568>] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637
---[ end trace 3a473ac828148841 ]---
Memory Failure: 0x11f8de: thp split failed
Memory failure: 0x11f8de: recovery action for unsplit thp: Ignored

Crashes (1125):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/18 17:41 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/01/13 06:32 linux-5.15.y 26c690eff0a5 551587c1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2023/10/04 18:53 linux-5.15.y b911329317b4 b7d7ff54 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2023/03/12 08:41 linux-5.15.y d214f240b0f6 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2023/06/24 07:46 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/22 05:01 linux-5.15.y 4878aadf2d15 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/20 01:16 linux-5.15.y 4878aadf2d15 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/14 01:24 linux-5.15.y c61bd26ae81a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/12 07:47 linux-5.15.y c61bd26ae81a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/12 03:18 linux-5.15.y c61bd26ae81a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/12 01:43 linux-5.15.y c61bd26ae81a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/11 02:39 linux-5.15.y c61bd26ae81a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/08 03:39 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/05 11:40 linux-5.15.y c61bd26ae81a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/06/04 20:36 linux-5.15.y c61bd26ae81a 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/29 19:56 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/29 03:40 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/22 04:53 linux-5.15.y 83655231580b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/21 16:11 linux-5.15.y 83655231580b 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/21 16:09 linux-5.15.y 83655231580b 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/20 23:35 linux-5.15.y 83655231580b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/20 09:52 linux-5.15.y 83655231580b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/14 17:17 linux-5.15.y 284087d4f7d5 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/13 05:07 linux-5.15.y 284087d4f7d5 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/08 05:22 linux-5.15.y 284087d4f7d5 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/07 07:18 linux-5.15.y 284087d4f7d5 fa7a5cf0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/03 04:38 linux-5.15.y 284087d4f7d5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/03 02:47 linux-5.15.y 284087d4f7d5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/02 23:51 linux-5.15.y 284087d4f7d5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/02 19:18 linux-5.15.y 284087d4f7d5 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/02 18:07 linux-5.15.y 284087d4f7d5 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/02 11:50 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/02 00:46 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/01 11:47 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/01 11:20 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/01 04:46 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/05/01 02:11 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/30 14:57 linux-5.15.y b925f60c6ee7 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/30 10:33 linux-5.15.y b925f60c6ee7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/30 03:51 linux-5.15.y b925f60c6ee7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 20:39 linux-5.15.y b925f60c6ee7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 07:00 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 04:46 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 02:50 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 02:49 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/29 00:46 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/28 22:20 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/28 17:17 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2024/04/28 15:36 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
2023/03/12 08:30 linux-5.15.y d214f240b0f6 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in split_huge_page_to_list
* Struck through repros no longer work on HEAD.