syzbot


BUG: unable to handle kernel NULL pointer dereference in set_page_dirty

Status: upstream: reported C repro on 2022/08/25 15:29
Subsystems: f2fs reiserfs
[Documentation on labels]
Reported-by: syzbot+775a3440817f74fddb8c@syzkaller.appspotmail.com
Fix commit: f2fs: fix missing mapping caused by the mount/umount race
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-net-next-test-gce ci2-upstream-usb]
First crash: 556d, last: 418d
Discussions (3)
Title Replies (including bot) Last reply
[PATCH] f2fs: fix missing mapping caused by the mount/umount race 9 (9) 2022/09/16 18:22
[PATCH] f2fs: fix to detect obsolete inner inode during fill_super() 6 (6) 2022/09/16 18:21
[syzbot] BUG: unable to handle kernel NULL pointer dereference in set_page_dirty 5 (7) 2022/08/29 22:16
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty origin:lts-only C inconclusive 82 31d 346d 0/3 upstream: reported C repro on 2023/03/18 12:05

Sample crash report:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000004
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=0000000109ee4000
[0000000000000000] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 86000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3045 Comm: syz-executor330 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : folio_mark_dirty+0xbc/0x208 mm/page-writeback.c:2748
sp : ffff800012783970
x29: ffff800012783970 x28: 0000000000000000 x27: ffff800012783b08
x26: 0000000000000001 x25: 0000000000000400 x24: 0000000000000001
x23: ffff0000c736e000 x22: 0000000000000045 x21: 05ffc00000000015
x20: ffff0000ca7403b8 x19: fffffc00032ec600 x18: 0000000000000181
x17: ffff80000c04d6bc x16: ffff80000dbb8658 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: ff808000083e9814 x10: 0000000000000000 x9 : ffff8000083e9814
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000cbb19000 x4 : ffff0000cb3d2000 x3 : ffff0000cbb18f80
x2 : fffffffffffffff0 x1 : fffffc00032ec600 x0 : ffff0000ca7403b8
Call trace:
 0x0
 set_page_dirty+0x38/0xbc mm/folio-compat.c:62
 f2fs_update_meta_page+0x80/0xa8 fs/f2fs/segment.c:2369
 do_checkpoint+0x794/0xea8 fs/f2fs/checkpoint.c:1522
 f2fs_write_checkpoint+0x3b8/0x568 fs/f2fs/checkpoint.c:1679
 f2fs_issue_checkpoint+0x1b0/0x234
 f2fs_sync_fs+0x8c/0xc8 fs/f2fs/super.c:1651
 sync_filesystem+0xe0/0x134 fs/sync.c:66
 generic_shutdown_super+0x38/0x190 fs/super.c:474
 kill_block_super+0x30/0x78 fs/super.c:1427
 kill_f2fs_super+0x140/0x184 fs/f2fs/super.c:4544
 deactivate_locked_super+0x70/0xd4 fs/super.c:332
 deactivate_super+0xb8/0xbc fs/super.c:363
 cleanup_mnt+0x1f8/0x234 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0xc4/0x208 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1127
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190
Code: bad PC value
---[ end trace 0000000000000000 ]---

Crashes (310):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/26 19:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d e5a303f1 .config console log report syz C ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2023/01/04 16:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2023/01/01 01:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/29 11:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/28 03:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/23 07:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/22 12:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 c692fab1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/20 07:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 c52b2efb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/19 11:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/12/15 03:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 b18f0a64 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/07 08:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/07 07:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/07 04:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/07 00:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/06 18:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/06 17:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/06 13:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/06 05:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 22:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 20:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 18:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 14:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 02:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/05 00:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/04 23:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/04 15:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/04 10:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/04 06:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/04 02:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 21:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 19:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 16:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 7a2ebf95 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 09:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 7a2ebf95 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 07:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 7a2ebf95 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 03:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 08977f5d .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/03 02:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 08977f5d .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/02 15:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 08977f5d .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/02 14:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 08977f5d .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/02 05:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 edac4fd1 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/02 04:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 edac4fd1 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/01 18:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 edac4fd1 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/01 17:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 edac4fd1 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/01 04:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 a1d8560a .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/01 02:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 a1d8560a .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/11/01 01:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 a1d8560a .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/31 23:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/31 21:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/31 15:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/31 10:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/30 20:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/30 18:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/10/30 16:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/08/25 15:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d 9b5bf4cd .config console log report info ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
2022/08/19 16:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 680fb5b009e8 26a13b38 .config console log report info ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in set_page_dirty
* Struck through repros no longer work on HEAD.