syzbot


kernel BUG in __block_write_full_folio

Status: auto-obsoleted due to no activity on 2024/05/07 23:22
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+c2827a62c6978df9ccc3@syzkaller.appspotmail.com
First crash: 433d, last: 254d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [hfs?] kernel BUG in __block_write_full_folio 0 (2) 2023/11/20 03:50
Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/04/19 08:27 25m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/04/19 08:27 23m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/02/12 02:34 49m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/01/16 00:43 24m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/01/16 00:43 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/11/16 04:28 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/buffer.c:1901!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6625 Comm: syz-executor137 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __block_write_full_folio+0xd80/0xe24 fs/buffer.c:1901
lr : __block_write_full_folio+0xd80/0xe24 fs/buffer.c:1901
sp : ffff800099656560
x29: ffff8000996565c0 x28: fffffc000376da80 x27: 1fffe0001b945bb3
x26: dfff800000000000 x25: ffff0000dca2d570 x24: 0000000000000080
x23: 0000000000000002 x22: 0000000000000004 x21: ffff0000dca2d570
x20: ffff0000dca2d570 x19: 05ffc0000000811f x18: ffff8000996557a0
x17: ffff80008e33d000 x16: ffff80008a71b360 x15: 0000000000000001
x14: 1fffe0003683238c x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000ce618000 x7 : ffff8000807d0e78 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000007 x1 : 0000000000000002 x0 : 0000000000000000
Call trace:
 __block_write_full_folio+0xd80/0xe24 fs/buffer.c:1901
 block_write_full_page+0x544/0x660
 hfsplus_writepage+0x30/0x40 fs/hfsplus/inode.c:33
 writeout mm/migrate.c:897 [inline]
 fallback_migrate_folio mm/migrate.c:921 [inline]
 move_to_new_folio+0x624/0xc24 mm/migrate.c:970
 migrate_folio_move mm/migrate.c:1274 [inline]
 migrate_pages_batch+0x1a2c/0x25f4 mm/migrate.c:1759
 migrate_pages_sync mm/migrate.c:1847 [inline]
 migrate_pages+0x1b9c/0x302c mm/migrate.c:1929
 compact_zone+0x274c/0x4158 mm/compaction.c:2515
 compact_node+0x234/0x3c0 mm/compaction.c:2812
 compact_nodes mm/compaction.c:2825 [inline]
 sysctl_compaction_handler+0x110/0x1d4 mm/compaction.c:2871
 proc_sys_call_handler+0x4cc/0x7cc fs/proc/proc_sysctl.c:600
 proc_sys_write+0x2c/0x3c fs/proc/proc_sysctl.c:626
 do_iter_write+0x65c/0xaa8 fs/read_write.c:860
 vfs_iter_write+0x88/0xac fs/read_write.c:901
 iter_file_splice_write+0x628/0xc58 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0xe4/0x1c0 fs/splice.c:1142
 splice_direct_to_actor+0x2a0/0x7e4 fs/splice.c:1088
 do_splice_direct+0x20c/0x348 fs/splice.c:1194
 do_sendfile+0x4b8/0xcc4 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1316 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __arm64_sys_sendfile64+0x23c/0x3b4 fs/read_write.c:1308
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
Code: aa1c03e0 97f37837 d4210000 97e5ff75 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/20 03:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2023/11/21 23:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2023/11/01 16:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 69904c9f .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2023/12/26 01:44 upstream fbafc3e621c3 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in __block_write_full_folio
2023/12/24 05:05 upstream 3f82f1c3a036 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in __block_write_full_folio
2023/12/19 07:32 upstream 2cf4f94d8e86 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in __block_write_full_folio
2023/12/16 17:55 upstream c8e97fc6b4c0 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in __block_write_full_folio
2023/12/15 18:13 upstream 3f7168591ebf 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in __block_write_full_folio
2023/12/12 00:43 upstream a39b6ac3781d 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in __block_write_full_folio
2023/11/29 02:42 upstream df60cee26a2e 1adfb6f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in __block_write_full_folio
2023/11/16 04:38 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in __block_write_full_folio
2023/10/26 17:30 upstream 611da07b89fd 23afc60f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in __block_write_full_folio
2023/10/25 13:50 upstream 4f82870119a4 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in __block_write_full_folio
2023/09/21 23:14 upstream b5cbe7c00aa0 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in __block_write_full_folio
2023/10/19 07:30 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream kernel BUG in __block_write_full_folio
2023/08/03 08:37 upstream 4b954598a47b 39a91c18 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in __block_write_full_folio
2024/01/28 23:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2024/01/02 00:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2023/11/19 20:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
2023/11/01 11:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __block_write_full_folio
* Struck through repros no longer work on HEAD.