syzbot


BUG: scheduling while atomic in pipe_read

Status: auto-obsoleted due to no activity on 2024/07/02 10:30
Reported-by: syzbot+c945170ebd2bcaade14d@syzkaller.appspotmail.com
First crash: 103d, last: 103d

Sample crash report:
BUG: scheduling while atomic: syz-executor.4/307/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8142e811>] irq_enter_rcu+0x11/0x80 kernel/softirq.c:607
CPU: 1 PID: 307 Comm: syz-executor.4 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #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
 pipe_read+0x9b4/0x1040 fs/pipe.c:377
 call_read_iter include/linux/fs.h:2196 [inline]
 new_sync_read fs/read_write.c:404 [inline]
 vfs_read+0xa7e/0xd40 fs/read_write.c:485
 ksys_read+0x199/0x2c0 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 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: 0033:0x7f15b0540a4d
Code: b0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb b5 e8 78 34 00 00 0f 1f 84 00 00 00 00 00 80 3d b1 34 10 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec
RSP: 002b:00007ffe8a2b1828 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f15b0540a4d
RDX: 0000000000000040 RSI: 00007f15b066c020 RDI: 00000000000000f9
RBP: 00007ffe8a2b188c R08: 00007ffe8a2b115c R09: 0079746972756365
R10: 00007ffe8a2b11c0 R11: 0000000000000246 R12: 0000000000000032
R13: 0000000000041e74 R14: 0000000000041e6e R15: 0000000000000006
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/03 10:29 android13-5.15-lts 993bed180178 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: scheduling while atomic in pipe_read
* Struck through repros no longer work on HEAD.