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syzbot: weird console output from ci-qemu-upstream #5594

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a-nogikh opened this issue Dec 12, 2024 · 0 comments
Open

syzbot: weird console output from ci-qemu-upstream #5594

a-nogikh opened this issue Dec 12, 2024 · 0 comments
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@a-nogikh
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It's been occurring regularly for quite a while already.

One example: https://syzkaller.appspot.com/bug?extid=3f059ffbdd539a3f6bc9

Dec  3 05:04:02 syzkaller daemon.info dhcpcd[5653]: eth3: IAID d8:df:c9:55
Dec  3 05:04:02 syzkaller daemon.info dhcpcd[5653]: eth3: adding address fe80::7[   49.690919][ T6466] ------------[ cut here ]------------
f27:c3e8:bb45:52[   49.693207][ T6466] WARNING: CPU: 3 PID: 6466 at [net/ipv6/ip6mr.c:419](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/ipv6/ip6mr.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n419) ip6mr_free_table+0xbd/0x120 [net/ipv6/ip6mr.c:419](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/ipv6/ip6mr.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n419)
df
Dec  3 05:04:02 [   49.710042][ T6466] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 c4 c5 af f7 90 <0f> 0b 90 e8 bb c5 af f7 48 8d 7b 38 e8 22 86 9c f7 48 89 df be 0f
syzkaller kern.w[   49.717312][ T6466] RSP: 0018:ffffc90003487bd8 EFLAGS: 00010293
arn kernel: [   [   49.719598][ T6466] RAX: 0000000000000000 RBX: ffff888108508000 RCX: ffffffff89ea4014
49.690919][ T646[   49.725534][ T6466] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
6] ------------[[   49.725548][ T6466] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88804e965ac0
 cut here ]-----[   49.725561][ T6466] R13: ffff888108508000 R14: ffff888108508008 R15: dead000000000100
-------
Dec  3 05:04:02 [   49.739536][ T6466] CR2: 00007f4fd5157580 CR3: 0000000035ea8000 CR4: 0000000000352ef0
syzkaller kern.w[   49.742428][ T6466] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
arn kernel: [   [   49.746956][ T6466] Call Trace:
49.693207][ T646[   49.748809][ T6466]  ? __warn+0xea/0x3c0 [kernel/panic.c:746](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/kernel/panic.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n746)
6] WARNING: CPU:[   49.750217][ T6466]  ? ip6mr_free_table+0xbd/0x120 [net/ipv6/ip6mr.c:419](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/ipv6/ip6mr.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n419)
 3 PID: 6466 at [   49.751877][ T6466]  ? __report_bug [lib/bug.c:199](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/bug.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n199) [inline]
 3 PID: 6466 at [   49.751877][ T6466]  ? report_bug+0x3c0/0x580 [lib/bug.c:219](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/bug.c?id=cdd30ebb1b9f36159d66f088b61aee264e649d7a#n219)
@a-nogikh a-nogikh added the bug label Dec 12, 2024
@a-nogikh a-nogikh changed the title syzbot: weird console logs from ci-qemu-upstream syzbot: weird console output from ci-qemu-upstream Dec 12, 2024
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