syzbot


kernel BUG at net/core/skbuff.c:LINE!

Status: public: reported C repro on 2019/04/11 08:44
Reported-by: syzbot+4e061abd11510de9f6c6@syzkaller.appspotmail.com
First crash: 2224d, last: 1557d
Similar bugs (16)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG at net/core/skbuff.c:LINE! C unreliable 494 547d 1766d 0/1 upstream: reported C repro on 2019/04/27 20:12
android-54 kernel BUG in pfkey_send_acquire C 278 471d 1135d 0/2 auto-obsoleted due to no activity on 2023/04/19 14:24
upstream kernel BUG at net/core/skbuff.c:LINE! (2) net C 562 2221d 2310d 4/26 fixed on 2018/01/29 03:39
android-5-10 kernel BUG in add_grec C error 83 700d 774d 2/2 fixed on 2022/03/29 10:01
android-54 kernel BUG at net/core/skbuff.c:LINE! C 267 286d 1506d 0/2 auto-obsoleted due to no activity on 2023/08/22 15:17
android-414 kernel BUG at net/core/skbuff.c:LINE! C 2743 1545d 1783d 0/1 public: reported C repro on 2019/04/11 00:00
android-5-10 kernel BUG in add_grec (2) C error inconclusive 1039 460d 460d 2/2 fixed on 2023/02/24 12:10
upstream kernel BUG in netem_enqueue net 9 438d 663d 22/26 fixed on 2023/02/24 13:50
android-5-10 kernel BUG in cdc_ncm_fill_tx_frame C error 40 793d 858d 1/2 fixed on 2021/12/29 12:20
upstream kernel BUG at net/core/skbuff.c:LINE! (3) C done 4399 1099d 2216d 19/26 fixed on 2021/03/10 01:48
upstream kernel BUG at net/core/skbuff.c:LINE! sctp 5 2316d 2387d 3/26 fixed on 2017/10/27 10:10
linux-4.19 kernel BUG in pfkey_send_acquire C done 56 1106d 1135d 1/1 fixed on 2021/03/18 08:30
linux-4.14 kernel BUG at net/core/skbuff.c:LINE! C 3066 362d 1781d 0/1 upstream: reported C repro on 2019/04/12 15:43
upstream kernel BUG in llc_sap_action_send_xid_c net C error 61 839d 1053d 20/26 fixed on 2021/11/10 00:50
upstream kernel BUG in pskb_expand_head net C done 1600 382d 833d 22/26 fixed on 2023/02/25 08:02
android-49 kernel BUG at net/core/skbuff.c:LINE! C 391 1546d 1782d 0/3 public: reported C repro on 2019/04/12 00:00

Sample crash report:
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:2192!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 7712 Comm: syz-executor759 Not tainted 4.4.132-gc3c51ea #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cb108000 task.stack: ffff8801b2c88000
RIP: 0010:[<ffffffff82f3b04a>]  [<ffffffff82f3b04a>] skb_copy_and_csum_bits+0x69a/0x7d0 net/core/skbuff.c:2192
RSP: 0000:ffff8801db307260  EFLAGS: 00010206
RAX: ffff8801cb108000 RBX: 0000000099babfd0 RCX: 1ffff1003713ddf9
RDX: 0000000000000100 RSI: ffffffff82f3b04a RDI: ffff8801b89eefc8
RBP: ffff8801db3072e0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000003c R11: ffff8801b96c9ddf R12: 0000000000000000
R13: 0000000000000224 R14: 0000000000000000 R15: ffff8801b89eefc0
FS:  00007f55c074a700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020deb000 CR3: 000000009c82c000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8129085c ffff8801d2270844 ffffffff838c36ec ffffffff8113f75d
 ffff8801d2270848 ffff8801b96c9b68 99babfd00000003c 000001e80000003c
 0000003c0000003c ffff8801d2270780 0000000000000000 ffff8801cda5f0c0
Call Trace:
 <IRQ> 
 [<ffffffff832e296f>] icmp_glue_bits+0x7f/0x1e0 net/ipv4/icmp.c:344
 [<ffffffff83212842>] __ip_append_data.isra.44+0x1e22/0x2920 net/ipv4/ip_output.c:1043
 [<ffffffff83213424>] ip_append_data.part.46+0xe4/0x150 net/ipv4/ip_output.c:1192
 [<ffffffff8321b878>] ip_append_data+0x68/0x80 net/ipv4/ip_output.c:1181
 [<ffffffff832e257e>] icmp_push_reply+0x19e/0x510 net/ipv4/icmp.c:362
 [<ffffffff832e6f1a>] icmp_send+0xaca/0x13d0 net/ipv4/icmp.c:727
 [<ffffffff832173ba>] ip_fragment.constprop.50+0x1aa/0x200 net/ipv4/ip_output.c:509
 [<ffffffff83217ad4>] ip_finish_output+0x6c4/0xbc0 net/ipv4/ip_output.c:286
 [<ffffffff8321b569>] NF_HOOK_COND include/linux/netfilter.h:240 [inline]
 [<ffffffff8321b569>] ip_output+0x219/0x4c0 net/ipv4/ip_output.c:362
 [<ffffffff832184ab>] dst_output include/net/dst.h:498 [inline]
 [<ffffffff832184ab>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:119
 [<ffffffff832197ae>] ip_queue_xmit+0x88e/0x1ab0 net/ipv4/ip_output.c:461
 [<ffffffff8327f352>] tcp_transmit_skb+0x1642/0x2bf0 net/ipv4/tcp_output.c:1029
 [<ffffffff83289dac>] __tcp_retransmit_skb+0x5fc/0x1860 net/ipv4/tcp_output.c:2647
 [<ffffffff8328b703>] tcp_retransmit_skb+0x23/0x2c0 net/ipv4/tcp_output.c:2664
 [<ffffffff83290fed>] tcp_retransmit_timer+0x7bd/0x1ed0 net/ipv4/tcp_timer.c:461
 [<ffffffff832928f1>] tcp_write_timer_handler+0x1f1/0x6f0 net/ipv4/tcp_timer.c:543
 [<ffffffff83292eaa>] tcp_write_timer+0xba/0xd0 net/ipv4/tcp_timer.c:561
 [<ffffffff8129085c>] call_timer_fn+0x18c/0x870 kernel/time/timer.c:1185
 [<ffffffff81291582>] __run_timers kernel/time/timer.c:1261 [inline]
 [<ffffffff81291582>] run_timer_softirq+0x642/0xb90 kernel/time/timer.c:1444
 [<ffffffff838c36ec>] __do_softirq+0x22c/0xa1a kernel/softirq.c:273
 [<ffffffff8113f75d>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff8113f75d>] irq_exit+0x10d/0x140 kernel/softirq.c:391
 [<ffffffff838c2e51>] exiting_irq arch/x86/include/asm/apic.h:653 [inline]
 [<ffffffff838c2e51>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:926
 [<ffffffff838c1d90>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:741
 <EOI> 
 [<ffffffff811a4447>] ___might_sleep+0x1c7/0x260 kernel/sched/core.c:7960
 [<ffffffff8149f0ee>] clear_huge_page+0x8e/0x470 mm/memory.c:3860
 [<ffffffff815087df>] __do_huge_pmd_anonymous_page mm/huge_memory.c:739 [inline]
 [<ffffffff815087df>] do_huge_pmd_anonymous_page+0x21f/0x9d0 mm/huge_memory.c:867
 [<ffffffff8149cf82>] create_huge_pmd mm/memory.c:3259 [inline]
 [<ffffffff8149cf82>] __handle_mm_fault mm/memory.c:3378 [inline]
 [<ffffffff8149cf82>] handle_mm_fault+0x2852/0x30b0 mm/memory.c:3472
 [<ffffffff810d7aa0>] __do_page_fault+0x360/0xa10 arch/x86/mm/fault.c:1245
 [<ffffffff810d8177>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1308
 [<ffffffff838c1608>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1037
Code: 00 00 4d 8b 24 24 44 8b 6d d0 4d 85 e4 0f 85 1b ff ff ff 8b 5d b4 e8 a6 61 41 fe 8b 45 bc 85 c0 0f 84 7f fe ff ff e8 96 61 41 fe <0f> 0b 8b 5d b4 e9 70 fe ff ff c7 45 b0 00 00 00 00 e9 8c fa ff 
RIP  [<ffffffff82f3b04a>] skb_copy_and_csum_bits+0x69a/0x7d0 net/core/skbuff.c:2192
 RSP <ffff8801db307260>
---[ end trace 4567effcfd8fa14e ]---

Crashes (79):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/05/24 18:50 https://android.googlesource.com/kernel/common android-4.4 c3c51ea38a92 f48c20b8 .config console log report syz C ci-android-44-kasan-gce
2018/05/24 18:48 https://android.googlesource.com/kernel/common android-4.4 c3c51ea38a92 f48c20b8 .config console log report syz ci-android-44-kasan-gce-386
2019/11/22 18:37 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 598ca6c8 .config console log report ci-android-44-kasan-gce
2019/11/12 07:33 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 048f2d49 .config console log report ci-android-44-kasan-gce
2019/11/05 00:10 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 76630fc9 .config console log report ci-android-44-kasan-gce
2019/10/28 20:10 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 439d7b14 .config console log report ci-android-44-kasan-gce
2019/10/26 03:55 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c2e837da .config console log report ci-android-44-kasan-gce
2019/10/22 23:53 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 5681358a .config console log report ci-android-44-kasan-gce
2019/10/19 19:04 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 8c88c9c1 .config console log report ci-android-44-kasan-gce
2019/10/19 16:16 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 8c88c9c1 .config console log report ci-android-44-kasan-gce
2019/10/12 16:05 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 426631dd .config console log report ci-android-44-kasan-gce
2019/10/05 00:24 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b f3f7d9c8 .config console log report ci-android-44-kasan-gce
2019/10/04 01:21 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b fc17ba49 .config console log report ci-android-44-kasan-gce
2019/10/02 14:41 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 2e29b534 .config console log report ci-android-44-kasan-gce
2019/08/25 10:40 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b d21c5d9d .config console log report ci-android-44-kasan-gce
2019/08/21 17:47 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 4ea67ff8 .config console log report ci-android-44-kasan-gce
2019/06/26 03:00 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0a8d1a96 .config console log report ci-android-44-kasan-gce
2019/06/25 11:25 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 82c13b6b .config console log report ci-android-44-kasan-gce
2019/06/09 04:07 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0159583c .config console log report ci-android-44-kasan-gce
2019/06/07 08:45 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 698773cb .config console log report ci-android-44-kasan-gce
2019/05/11 19:58 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0637a7f0 .config console log report ci-android-44-kasan-gce
2019/04/15 15:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 505ab413 .config console log report ci-android-44-kasan-gce
2019/04/04 13:42 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 6a475fff .config console log report ci-android-44-kasan-gce
2019/03/19 13:25 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b e4549234 .config console log report ci-android-44-kasan-gce
2019/02/28 01:47 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 34ec456b .config console log report ci-android-44-kasan-gce
2019/02/18 05:48 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 59f36113 .config console log report ci-android-44-kasan-gce
2019/01/21 15:50 https://android.googlesource.com/kernel/common android-4.4 24189101975d badbbeee .config console log report ci-android-44-kasan-gce
2019/01/19 04:15 https://android.googlesource.com/kernel/common android-4.4 3fcfb1ac6699 2103a236 .config console log report ci-android-44-kasan-gce
2018/12/27 16:24 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 43cf01dd .config console log report ci-android-44-kasan-gce
2018/12/10 22:10 https://android.googlesource.com/kernel/common android-4.4 c680c9a47272 6565f24d .config console log report ci-android-44-kasan-gce
2018/11/12 06:36 https://android.googlesource.com/kernel/common android-4.4 0ca3fcabdc05 7b5f8621 .config console log report ci-android-44-kasan-gce
2018/11/09 09:54 https://android.googlesource.com/kernel/common android-4.4 64102d341c13 8fd01d3a .config console log report ci-android-44-kasan-gce
2018/11/03 03:34 https://android.googlesource.com/kernel/common android-4.4 c4b00eb70496 8bd6bd63 .config console log report ci-android-44-kasan-gce
2018/10/07 16:14 https://android.googlesource.com/kernel/common android-4.4 ea3a6005d280 8b311eaf .config console log report ci-android-44-kasan-gce
2018/08/24 11:55 https://android.googlesource.com/kernel/common android-4.4 727cface4651 95b5c82b .config console log report ci-android-44-kasan-gce
2018/08/23 09:26 https://android.googlesource.com/kernel/common android-4.4 37af2ff398ac 95b5c82b .config console log report ci-android-44-kasan-gce
2018/08/19 18:04 https://android.googlesource.com/kernel/common android-4.4 5541782ce2bb 2dc4378f .config console log report ci-android-44-kasan-gce
2018/08/14 17:40 https://android.googlesource.com/kernel/common android-4.4 a5fc66599b61 5084a625 .config console log report ci-android-44-kasan-gce
2018/07/30 21:40 https://android.googlesource.com/kernel/common android-4.4 9664bdeff388 1a381291 .config console log report ci-android-44-kasan-gce
2018/07/06 11:42 https://android.googlesource.com/kernel/common android-4.4 7ba55570970c 18403e65 .config console log report ci-android-44-kasan-gce
2018/06/28 11:22 https://android.googlesource.com/kernel/common android-4.4 cf21a9ac5ee4 dba0b50e .config console log report ci-android-44-kasan-gce
2018/06/23 13:27 https://android.googlesource.com/kernel/common android-4.4 226f96b03dc2 2064fc5c .config console log report ci-android-44-kasan-gce
2018/06/19 15:05 https://android.googlesource.com/kernel/common android-4.4 226f96b03dc2 732e4256 .config console log report ci-android-44-kasan-gce
2018/06/04 20:52 https://android.googlesource.com/kernel/common android-4.4 e75204cc0ad5 a50d873b .config console log report ci-android-44-kasan-gce
2018/06/02 04:23 https://android.googlesource.com/kernel/common android-4.4 e75204cc0ad5 2f93b54f .config console log report ci-android-44-kasan-gce
2018/05/15 21:09 https://android.googlesource.com/kernel/common android-4.4 aa3863d27614 68ce85f1 .config console log report ci-android-44-kasan-gce
2019/11/14 22:16 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b a24fe792 .config console log report ci-android-44-kasan-gce-386
2019/11/13 00:19 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 048f2d49 .config console log report ci-android-44-kasan-gce-386
2019/11/10 13:43 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b dc438b91 .config console log report ci-android-44-kasan-gce-386
2019/10/21 03:44 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 8c88c9c1 .config console log report ci-android-44-kasan-gce-386
2019/10/13 03:07 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 426631dd .config console log report ci-android-44-kasan-gce-386
2019/09/28 08:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b d8074e0b .config console log report ci-android-44-kasan-gce-386
2019/09/24 10:55 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c68252d2 .config console log report ci-android-44-kasan-gce-386
2019/09/05 06:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 040fda58 .config console log report ci-android-44-kasan-gce-386
2019/08/24 12:03 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 78ded196 .config console log report ci-android-44-kasan-gce-386
2019/08/06 18:57 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c6f01e54 .config console log report ci-android-44-kasan-gce-386
2019/05/11 02:34 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 46caad94 .config console log report ci-android-44-kasan-gce-386
2019/04/05 20:15 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 40f2363e .config console log report ci-android-44-kasan-gce-386
2019/02/27 13:55 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 083cfd0e .config console log report ci-android-44-kasan-gce-386
2019/01/14 23:41 https://android.googlesource.com/kernel/common android-4.4 c69bfa0ff38e ebacf5cb .config console log report ci-android-44-kasan-gce-386
2018/12/25 05:06 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 8a41a0ad .config console log report ci-android-44-kasan-gce-386
2018/09/12 04:43 https://android.googlesource.com/kernel/common android-4.4 b3f777efd917 3c88136c .config console log report ci-android-44-kasan-gce-386
2018/08/23 22:40 https://android.googlesource.com/kernel/common android-4.4 3a2ec581f8e1 95b5c82b .config console log report ci-android-44-kasan-gce-386
2018/08/18 21:02 https://android.googlesource.com/kernel/common android-4.4 5541782ce2bb de20bcbb .config console log report ci-android-44-kasan-gce-386
2018/08/10 16:13 https://android.googlesource.com/kernel/common android-4.4 a5fc66599b61 1fb62d58 .config console log report ci-android-44-kasan-gce-386
2018/08/09 16:35 https://android.googlesource.com/kernel/common android-4.4 a5fc66599b61 1fb62d58 .config console log report ci-android-44-kasan-gce-386
2018/08/06 18:18 https://android.googlesource.com/kernel/common android-4.4 139622602304 1beb8136 .config console log report ci-android-44-kasan-gce-386
2018/07/23 21:25 https://android.googlesource.com/kernel/common android-4.4 1b37d68f4c82 912c93d7 .config console log report ci-android-44-kasan-gce-386
2018/06/20 01:43 https://android.googlesource.com/kernel/common android-4.4 226f96b03dc2 095ef806 .config console log report ci-android-44-kasan-gce-386
2018/06/13 16:25 https://android.googlesource.com/kernel/common android-4.4 a2e2217bd824 27c5f59f .config console log report ci-android-44-kasan-gce-386
2018/06/08 06:40 https://android.googlesource.com/kernel/common android-4.4 fb7e31963455 f7b27b7a .config console log report ci-android-44-kasan-gce-386
2018/06/02 19:49 https://android.googlesource.com/kernel/common android-4.4 e75204cc0ad5 2f93b54f .config console log report ci-android-44-kasan-gce-386
2018/05/30 13:48 https://android.googlesource.com/kernel/common android-4.4 54f36eadd123 2f93b54f .config console log report ci-android-44-kasan-gce-386
2018/05/29 20:49 https://android.googlesource.com/kernel/common android-4.4 54f36eadd123 e276de77 .config console log report ci-android-44-kasan-gce-386
2018/05/29 05:39 https://android.googlesource.com/kernel/common android-4.4 3f51ea2db97d f48c20b8 .config console log report ci-android-44-kasan-gce-386
2018/05/28 22:19 https://android.googlesource.com/kernel/common android-4.4 3f51ea2db97d f48c20b8 .config console log report ci-android-44-kasan-gce-386
2018/05/18 10:31 https://android.googlesource.com/kernel/common android-4.4 46155cc7bd1b c992b767 .config console log report ci-android-44-kasan-gce-386
2018/05/15 23:52 https://android.googlesource.com/kernel/common android-4.4 aa3863d27614 68ce85f1 .config console log report ci-android-44-kasan-gce-386
2018/01/25 00:36 https://android.googlesource.com/kernel/common android-4.4 e70c132b2dac 866f1102 .config console log report ci-android-44-kasan-gce-386
* Struck through repros no longer work on HEAD.