WARNING in kcm_write

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING in kcm_write_msgs origin:upstream	C			2	14d	143d	0/3	upstream: reported C repro on 2023/11/28 05:07
upstream	WARNING in kcm_write_msgs net	C	done		443	13d	1492d	0/26	upstream: reported C repro on 2020/03/19 07:10
linux-4.19	WARNING in kcm_write_msgs	C		error	8	456d	1480d	0/1	upstream: reported C repro on 2020/03/30 19:34

linux-6.1

WARNING in kcm_write_msgs origin:upstream

14d

143d

0/3

upstream: reported C repro on 2023/11/28 05:07

upstream

WARNING in kcm_write_msgs net

done

443

13d

1492d

0/26

upstream: reported C repro on 2020/03/19 07:10

linux-4.19

WARNING in kcm_write_msgs

error

456d

1480d

0/1

upstream: reported C repro on 2020/03/30 19:34

Created	Duration	User	Patch	Repo	Result
2022/09/07 06:27	8m	retest repro		linux-4.14.y	report log

Created

Duration

User

Patch

Repo

Result

2022/09/07 06:27

retest repro

linux-4.14.y

report log


Created	Duration	User	Repo	Result
2020/07/11 05:32	31m	bisect fix	linux-4.14.y	job log (2)
2020/06/11 05:08	23m	bisect fix	linux-4.14.y	job log (0) log
2020/05/12 04:41	26m	bisect fix	linux-4.14.y	job log (0) log

IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready 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 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9395 at net/kcm/kcmsock.c:634 kcm_write_msgs+0x1041/0x1820 net/kcm/kcmsock.c:634 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9395 Comm: syz-executor286 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:kcm_write_msgs+0x1041/0x1820 net/kcm/kcmsock.c:634 RSP: 0018:ffff8880870879f8 EFLAGS: 00010297 RAX: ffff8880a0792180 RBX: 00000000000000c0 RCX: 0000000000000007 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a2e0d842 RBP: ffff8880a2e0d840 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000008000 R13: ffff8880a1ca9c40 R14: ffff8880a2e0d780 R15: 0000000000000000 kcm_sendmsg+0x177c/0x1e10 net/kcm/kcmsock.c:1040 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 sock_write_iter+0x22c/0x370 net/socket.c:925 call_write_iter include/linux/fs.h:1780 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f180e58ab79 RSP: 002b:00007f180e5382f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f180e6144e0 RCX: 00007f180e58ab79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007f180e5e0c9c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f180e5e0610 R13: 0000000020000240 R14: 656c6c616b7a7973 R15: 00007f180e6144e8 Kernel Offset: disabled Rebooting in 86400 seconds..

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/01/13 05:48	linux-4.14.y	c4215ee4771b	96166539	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-4-14	WARNING in kcm_write_msgs
2020/04/12 04:12	linux-4.14.y	4520f06b03ae	a8c6a3f8	.config	console log	report	syz	C			ci2-linux-4-14

Crashes (2):

Assets (help?)