divide error in tabledist

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	divide error in tabledist (2)	C	done	error	39	1616d	1857d	0/28	closed as invalid on 2021/10/06 02:59
upstream	divide error in tabledist net				3	1881d	1889d	13/28	fixed on 2019/10/15 23:40

upstream

divide error in tabledist (2)

done

error

1616d

1857d

0/28

closed as invalid on 2021/10/06 02:59

upstream

divide error in tabledist net

1881d

1889d

13/28

fixed on 2019/10/15 23:40


Created	Duration	User	Repo	Result
2020/11/17 02:59	3h01m	bisect fix	linux-4.19.y	OK (1) job log
2020/10/18 02:33	25m	bisect fix	linux-4.19.y	OK (0) job log log
2020/09/18 02:09	24m	bisect fix	linux-4.19.y	OK (0) job log log
2020/08/11 20:07	26m	bisect fix	linux-4.19.y	OK (0) job log log
2020/07/12 17:05	25m	bisect fix	linux-4.19.y	OK (0) job log log
2020/06/12 16:39	25m	bisect fix	linux-4.19.y	OK (0) job log log
2020/05/13 16:05	30m	bisect fix	linux-4.19.y	OK (0) job log log
2020/04/12 01:46	24m	bisect fix	linux-4.19.y	OK (0) job log log
2020/03/13 01:16	26m	bisect fix	linux-4.19.y	OK (0) job log log
2020/02/12 00:32	24m	bisect fix	linux-4.19.y	OK (0) job log log
2020/01/12 18:07	24m	bisect fix	linux-4.19.y	OK (0) job log log
2019/12/13 17:27	24m	bisect fix	linux-4.19.y	OK (0) job log log

Created	Duration	User	Patch	Repo	Result
2019/11/27 08:24		bisect		linux-4.19.y	OK (0)

Created

Duration

User

Patch

Repo

Result

2019/11/27 08:24

bisect

linux-4.19.y

OK (0)

batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 4.19.139-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work RIP: 0010:tabledist.part.0+0x22a/0x2a0 net/sched/sch_netem.c:333 Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 1d 9e 91 fb 48 85 db 0f 85 6d fe ff ff e8 0f 9e 91 fb 8d 4c 2d 00 44 89 f0 31 d2 <f7> f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 f4 9d 91 fb 48 81 eb 00 RSP: 0018:ffff8880a9ededa0 EFLAGS: 00010246 RAX: 000000004113bdaf RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85d811b1 RDI: 0000000000000005 RBP: ffffffff80000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 000000000013a1a1 R12: 0000000000000000 R13: ffff8880893d952c R14: 000000004113bdaf R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055601e937270 CR3: 0000000093e79000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tabledist net/sched/sch_netem.c:534 [inline] netem_enqueue+0x453/0x3167 net/sched/sch_netem.c:534 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x140a/0x2e00 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip_finish_output2+0xb6d/0x1540 net/ipv4/ip_output.c:229 ip_finish_output+0x84d/0xcd0 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x5f0 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:124 iptunnel_xmit+0x63b/0x9d0 net/ipv4/ip_tunnel_core.c:91 geneve_xmit_skb drivers/net/geneve.c:857 [inline] geneve_xmit+0xdcf/0x28b0 drivers/net/geneve.c:929 __netdev_start_xmit include/linux/netdevice.h:4333 [inline] netdev_start_xmit include/linux/netdevice.h:4347 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x7eb/0xc10 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_ns+0x51d/0x840 net/ipv6/ndisc.c:633 addrconf_dad_work+0xb0e/0x10a0 net/ipv6/addrconf.c:4075 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x30b/0x410 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace 634c6d63ba148136 ]--- RIP: 0010:tabledist.part.0+0x22a/0x2a0 net/sched/sch_netem.c:333 Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 1d 9e 91 fb 48 85 db 0f 85 6d fe ff ff e8 0f 9e 91 fb 8d 4c 2d 00 44 89 f0 31 d2 <f7> f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 f4 9d 91 fb 48 81 eb 00 RSP: 0018:ffff8880a9ededa0 EFLAGS: 00010246 RAX: 000000004113bdaf RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85d811b1 RDI: 0000000000000005 RBP: ffffffff80000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 000000000013a1a1 R12: 0000000000000000 R13: ffff8880893d952c R14: 000000004113bdaf R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055601e937270 CR3: 0000000093e79000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Manager
2020/08/19 02:09	linux-4.19.y	c14d30dc9987	e1c29030	.config	console log	report	syz	C	ci2-linux-4-19
2020/04/13 16:05	linux-4.19.y	6dd0e32665e5	17a986e5	.config	console log	report	syz	C	ci2-linux-4-19
2019/10/27 01:53	linux-4.19.y	c3038e718a19	25bb509e	.config	console log	report	syz	C	ci2-linux-4-19

Crashes (3):

Assets (help?)