syzbot


WARNING in default_device_exit_batch (2)

Status: upstream: reported syz repro on 2022/05/15 20:01
Reported-by: syzbot+abf325737b513ff77aa7@syzkaller.appspotmail.com
First crash: 705d, last: 412d
Fix bisection: failed (error log, bisect log)
  
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in default_device_exit_batch (3) net C inconclusive 599 521d 704d 0/26 closed as invalid on 2022/11/15 17:40
linux-4.14 WARNING in default_device_exit_batch 67 1075d 1378d 0/1 auto-closed as invalid on 2021/09/07 10:06
upstream WARNING in default_device_exit_batch (4) net C error 954 392d 518d 22/26 fixed on 2023/06/08 14:41
upstream WARNING in default_device_exit_batch (2) net 1466 787d 1382d 0/26 auto-closed as invalid on 2022/04/24 02:35
upstream WARNING in default_device_exit_batch net 2 1509d 1541d 0/26 auto-closed as invalid on 2020/06/30 07:06
linux-4.19 WARNING in default_device_exit_batch 467 839d 1380d 0/1 auto-closed as invalid on 2022/04/28 08:15
linux-6.1 WARNING in default_device_exit_batch 2 395d 396d 0/3 auto-obsoleted due to no activity on 2023/07/19 17:51
linux-5.15 WARNING in default_device_exit_batch 1 399d 399d 0/3 auto-obsoleted due to no activity on 2023/07/15 14:46

Sample crash report:
bond0 (unregistering): Releasing backup interface bond36
bond36 (unregistering): Released all slaves
bond35 (unregistering): Released all slaves
bond34 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8102 at net/core/dev.c:8216 rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8102 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/12/2022
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216
Code: fe e8 95 d6 50 f9 48 c7 c7 c0 85 4c 89 e8 f4 07 e2 ff 0f 0b e9 2b fb 65 fe e8 7d d6 50 f9 48 c7 c7 c0 85 4c 89 e8 dc 07 e2 ff <0f> 0b e9 81 f9 65 fe 48 89 c7 48 89 44 24 08 e8 1d b6 86 f9 48 8b
RSP: 0018:ffff8880b317f988 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff888085b88c80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101662ff23
RBP: ffff8880b317fb60 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 00000000abbe9901 R14: ffffffff843ffad0 R15: ffff8880b317fa50
 unregister_netdevice_many.part.0+0x1a/0x300 net/core/dev.c:9324
 unregister_netdevice_many net/core/dev.c:9323 [inline]
 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:9795
 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156
 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (200):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/05/15 23:40 linux-4.19.y 3f8a27f9e27b 744a39e2 .config console log report syz ci2-linux-4-19 WARNING in default_device_exit_batch
2023/03/04 14:45 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/03/04 11:35 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/03/03 17:09 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/27 08:55 linux-4.19.y 3f8a27f9e27b 9189cb53 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/25 19:20 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/23 11:26 linux-4.19.y 3f8a27f9e27b 9e2ebb3c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/22 14:20 linux-4.19.y 3f8a27f9e27b 9f1e2cb3 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/21 08:22 linux-4.19.y 3f8a27f9e27b f949448d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/20 08:55 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/19 20:45 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/18 16:27 linux-4.19.y 3f8a27f9e27b d02e9a70 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/18 05:41 linux-4.19.y 3f8a27f9e27b d02e9a70 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/17 10:54 linux-4.19.y 3f8a27f9e27b 3e7039f4 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/01 12:02 linux-4.19.y 3f8a27f9e27b 9a6f477c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/02/01 07:34 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/31 15:02 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/30 12:25 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/30 00:22 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/29 06:05 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/27 23:05 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/26 15:59 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/25 05:43 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/24 14:55 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/23 16:01 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/23 13:38 linux-4.19.y 3f8a27f9e27b 44388686 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/21 01:54 linux-4.19.y 3f8a27f9e27b cc0f9968 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/20 09:40 linux-4.19.y 3f8a27f9e27b dd15ff29 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/20 08:36 linux-4.19.y 3f8a27f9e27b dd15ff29 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/19 20:20 linux-4.19.y 3f8a27f9e27b 71197f3a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/19 08:38 linux-4.19.y 3f8a27f9e27b 66fca3ae .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/18 13:16 linux-4.19.y 3f8a27f9e27b 4620c2d9 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/14 11:47 linux-4.19.y 3f8a27f9e27b a63719e7 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/13 15:12 linux-4.19.y 3f8a27f9e27b 529798b0 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/13 07:37 linux-4.19.y 3f8a27f9e27b 96166539 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/11 15:16 linux-4.19.y 3f8a27f9e27b 96166539 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/11 14:21 linux-4.19.y 3f8a27f9e27b 96166539 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/11 03:36 linux-4.19.y 3f8a27f9e27b 48bc529a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/09 22:54 linux-4.19.y 3f8a27f9e27b 48bc529a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/09 17:10 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/06 18:06 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/04 08:17 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/03 09:12 linux-4.19.y 3f8a27f9e27b ab32d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/02 14:33 linux-4.19.y 3f8a27f9e27b ab32d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2023/01/02 08:30 linux-4.19.y 3f8a27f9e27b ab32d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/31 17:29 linux-4.19.y 3f8a27f9e27b ab32d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/27 14:19 linux-4.19.y 3f8a27f9e27b 44712fbc .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/24 02:34 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/23 06:25 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/22 14:01 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/12/22 12:54 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in default_device_exit_batch
2022/05/15 20:01 linux-4.19.y 3f8a27f9e27b 744a39e2 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
* Struck through repros no longer work on HEAD.