syzbot


WARNING in __dev_queue_xmit

Status: upstream: reported C repro on 2024/07/23 19:57
Reported-by: syzbot+8fe8c6f00adc950dc1ff@syzkaller.appspotmail.com
First crash: 150d, last: 66d
Bug presence (1)
Date Name Commit Repro Result
2024/10/27 upstream (ToT) 850925a8133c C Didn't crash
Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __dev_queue_xmit (3) net C error inconclusive 20 531d 555d 0/28 auto-obsoleted due to no activity on 2023/11/09 02:33
upstream WARNING in __dev_queue_xmit (4) net C 387 61d 107d 28/28 fixed on 2024/10/22 11:57
upstream WARNING in __dev_queue_xmit C done 16774 665d 879d 22/28 fixed on 2023/02/24 14:17
upstream WARNING in __dev_queue_xmit (2) net C 76 594d 665d 22/28 fixed on 2023/06/08 14:41
upstream WARNING in __dev_queue_xmit (5) net C 41 5d10h 3d18h 21/28 upstream: reported C repro on 2024/12/17 17:58
linux-6.1 WARNING in __dev_queue_xmit 43 66d 166d 0/3 upstream: reported on 2024/07/08 03:37

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4114 at kernel/softirq.c:363 __local_bh_enable_ip+0x1b3/0x1f0
Modules linked in:
CPU: 1 PID: 4114 Comm: syz.2.112 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 kernel/softirq.c:363
Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 44 94 e9 8d 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90003007140 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff92000600e2c RCX: 0000000000040000
RDX: ffffc90003d1f000 RSI: 0000000000000200 RDI: ffffffff884b8e55
RBP: ffffc900030071f0 R08: dffffc0000000000 R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100f4eb018 R14: ffffc90003007180 R15: 0000000000000200
FS:  00007f03fcc446c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f829c7c3f98 CR3: 0000000073cd5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rcu_read_unlock_bh include/linux/rcupdate.h:809 [inline]
 __dev_queue_xmit+0x1c56/0x3230 net/core/dev.c:4275
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:305 [inline]
 __netlink_deliver_tap+0x4d2/0x760 net/netlink/af_netlink.c:323
 netlink_deliver_tap+0x16c/0x180 net/netlink/af_netlink.c:336
 __netlink_sendskb net/netlink/af_netlink.c:1270 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1405 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1490 [inline]
 netlink_broadcast_filtered+0xc2d/0x11a0 net/netlink/af_netlink.c:1534
 netlink_broadcast+0x35/0x50 net/netlink/af_netlink.c:1558
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 genlmsg_multicast_netns+0x8e/0xc0 include/net/genetlink.h:314
 nl80211_frame_tx_status+0x659/0xa40 net/wireless/nl80211.c:17124
 cfg80211_mgmt_tx_status+0x3a/0x50 net/wireless/nl80211.c:17144
 ieee80211_report_ack_skb net/mac80211/status.c:650 [inline]
 ieee80211_report_used_skb+0x12f6/0x1810 net/mac80211/status.c:732
 ieee80211_free_txskb+0x1e/0x30 net/mac80211/status.c:1274
 ieee80211_do_stop+0x10b8/0x1ce0 net/mac80211/iface.c:564
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1701 [inline]
 ieee80211_if_change_type+0x447/0x9f0 net/mac80211/iface.c:1739
 ieee80211_change_iface+0x57/0x430 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x8ab/0x10c0 net/wireless/util.c:1074
 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline]
 __cfg80211_wext_siwmode+0x1b7/0x280 net/wireless/wext-compat.c:1569
 ioctl_standard_call+0xdb/0x280 net/wireless/wext-core.c:1026
 wext_ioctl_dispatch+0x16f/0x460 net/wireless/wext-core.c:997
 wext_handle_ioctl+0x15b/0x260 net/wireless/wext-core.c:1058
 sock_ioctl+0x13b/0x770 net/socket.c:1191
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f03fe7cbff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f03fcc44038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f03fe983f80 RCX: 00007f03fe7cbff9
RDX: 0000000020000000 RSI: 0000000000008b06 RDI: 0000000000000004
RBP: 00007f03fe83e296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f03fe983f80 R15: 00007ffdb40e2f78
 </TASK>

Crashes (107):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/16 04:53 linux-5.15.y 3a5928702e71 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/15 06:31 linux-5.15.y 3a5928702e71 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/13 23:39 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/12 04:28 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/11 14:56 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/10 09:56 linux-5.15.y 3a5928702e71 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/10 01:43 linux-5.15.y 3a5928702e71 56fb2cb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/09 22:26 linux-5.15.y 3a5928702e71 56fb2cb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/08 12:12 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/04 22:46 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/10/01 18:27 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/30 21:09 linux-5.15.y 3a5928702e71 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/28 19:36 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/28 16:54 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/28 03:57 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/25 15:21 linux-5.15.y 3a5928702e71 349a68c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/20 02:06 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/16 21:43 linux-5.15.y 3a5928702e71 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/15 05:22 linux-5.15.y 3a5928702e71 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/14 15:34 linux-5.15.y 3a5928702e71 c7e35043 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/13 20:35 linux-5.15.y 3a5928702e71 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/12 16:13 linux-5.15.y 3a5928702e71 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/12 01:27 linux-5.15.y 14e468424d3e d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/10 21:35 linux-5.15.y 14e468424d3e 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/08 00:16 linux-5.15.y 14e468424d3e 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/05 23:01 linux-5.15.y 14e468424d3e 464ac2ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/05 16:26 linux-5.15.y 14e468424d3e 464ac2ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/05 07:09 linux-5.15.y 14e468424d3e dfbe2ed4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/05 01:09 linux-5.15.y 14e468424d3e dfbe2ed4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/03 04:05 linux-5.15.y fa93fa65db6e 8045124c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/01 20:56 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/01 07:38 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/30 23:47 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/29 19:58 linux-5.15.y fa93fa65db6e 9bd464fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/28 00:35 linux-5.15.y fa93fa65db6e 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/22 06:56 linux-5.15.y fa93fa65db6e ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/21 14:17 linux-5.15.y fa93fa65db6e db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/19 14:17 linux-5.15.y fa93fa65db6e 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/17 09:54 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/17 09:54 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/08/17 07:46 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/07/24 00:19 linux-5.15.y 7c6d66f0266f e50e8da5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/07/23 22:50 linux-5.15.y 7c6d66f0266f e50e8da5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/07/23 19:56 linux-5.15.y 7c6d66f0266f e50e8da5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in __dev_queue_xmit
2024/09/28 05:32 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/09/27 12:55 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/09/05 05:20 linux-5.15.y 14e468424d3e dfbe2ed4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/09/01 20:13 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/08/31 22:27 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/08/25 11:13 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/08/17 08:15 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
2024/08/17 08:15 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in __dev_queue_xmit
* Struck through repros no longer work on HEAD.