syzbot


BUG: scheduling while atomic in wait_on_page_bit_common

Status: premoderation: reported on 2024/03/21 16:46
Reported-by: syzbot+758be7854d81515eb369@syzkaller.appspotmail.com
First crash: 121d, last: 60d

Sample crash report:
BUG: scheduling while atomic: syz-executor.3/834/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff81e7a707>] spin_lock include/linux/spinlock.h:363 [inline]
[<ffffffff81e7a707>] ext4_do_update_inode fs/ext4/inode.c:5089 [inline]
[<ffffffff81e7a707>] ext4_mark_iloc_dirty+0x307/0x3f40 fs/ext4/inode.c:5791
CPU: 0 PID: 834 Comm: syz-executor.3 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707
 schedule_debug kernel/sched/core.c:5734 [inline]
 __schedule+0xd19/0x1590 kernel/sched/core.c:6402
 schedule+0x11f/0x1e0 kernel/sched/core.c:6595
 io_schedule+0x8f/0x120 kernel/sched/core.c:8641
 wait_on_page_bit_common+0x89f/0xcc0 mm/filemap.c:1360
 wait_on_page_bit+0x46/0x50 mm/filemap.c:1421
 wait_on_page_writeback+0xcf/0x220 mm/page-writeback.c:2889
 __filemap_fdatawait_range+0x1b9/0x340 mm/filemap.c:540
 file_write_and_wait_range+0x219/0x2b0 mm/filemap.c:818
 ext4_sync_file+0x1a2/0xa50 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:188
 generic_write_sync include/linux/fs.h:3023 [inline]
 ext4_buffered_write_iter+0x568/0x610 fs/ext4/file.c:277
 ext4_file_write_iter+0x443/0x1c80
 call_write_iter include/linux/fs.h:2202 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2333791ee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23325060c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f23338c0f80 RCX: 00007f2333791ee9
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000008
RBP: 00007f23337de49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f23338c0f80 R15: 00007fff3153ccf8
 </TASK>

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/21 22:37 android13-5.15-lts 5d96939590c0 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/05/08 00:28 android13-5.15-lts 5d96939590c0 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/22 03:41 android13-5.15-lts ad06eaf051cd af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/20 14:44 android13-5.15-lts ad06eaf051cd af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/16 07:07 android13-5.15-lts ad06eaf051cd 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/16 00:57 android13-5.15-lts ad06eaf051cd b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/15 04:56 android13-5.15-lts 993bed180178 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/12 20:10 android13-5.15-lts 993bed180178 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/04/07 01:26 android13-5.15-lts 993bed180178 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
2024/03/21 16:45 android13-5.15-lts 993bed180178 6753db5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: scheduling while atomic in wait_on_page_bit_common
* Struck through repros no longer work on HEAD.