kernel BUG in rxrpc_cleanup_call

Status: upstream: reported C repro on 2026/07/28 08:20
Reported-by: syzbot+9de1d2948e7c210ef56e@syzkaller.appspotmail.com
First crash: 32d, last: 19m
Bug presence (1)
Date Name Commit Repro Result
2026/08/15 upstream (ToT) dac3e89a2c90 C Failed due to an error; will retry later
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in rxrpc_cleanup_call origin:lts-only -1 syz, C 45 21h08m 32d 0/3 upstream: reported C repro on 2026/07/28 08:34

Sample crash report:
rxrpc: Assertion failed - 5(0x5) == 11(0xb) is false
------------[ cut here ]------------
kernel BUG at net/rxrpc/call_object.c:689!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4510 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : rxrpc_cleanup_call+0x1b0/0x1c8 net/rxrpc/call_object.c:689
lr : rxrpc_cleanup_call+0x1b0/0x1c8 net/rxrpc/call_object.c:689
sp : ffff8000214f7620
x29: ffff8000214f7620 x28: ffff0000d7af5ce0 x27: dfff800000000000
x26: ffff0000d7af5a40 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000012 x22: ffff0000d7af5718 x21: dfff800000000000
x20: 0000000000000005 x19: ffff0000d7af5a40 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011b90540 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff0000429ee2c x12: 0000000000000000
x11: ff00800008315480 x10: 0000000000000000 x9 : f459cb7ade519c00
x8 : f459cb7ade519c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000214f70f8 x4 : ffff800015464e80 x3 : ffff80000a92841c
x2 : ffff00019f393d10 x1 : 0000000100000000 x0 : 0000000000000034
Call trace:
 rxrpc_cleanup_call+0x1b0/0x1c8 net/rxrpc/call_object.c:689
 rxrpc_service_prealloc_one+0x878/0xe80 net/rxrpc/call_accept.c:154
 rxrpc_user_charge_accept+0xc0/0x114 net/rxrpc/call_accept.c:458
 rxrpc_do_sendmsg+0x70c/0xeb4 net/rxrpc/sendmsg.c:677
 rxrpc_sendmsg+0x490/0x70c net/rxrpc/af_rxrpc.c:561
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x588/0x90c net/socket.c:2519
 ___sys_sendmsg net/socket.c:2573 [inline]
 __sys_sendmsg+0x288/0x374 net/socket.c:2602
 __do_sys_sendmsg net/socket.c:2611 [inline]
 __se_sys_sendmsg net/socket.c:2609 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1403e2 52800164 52800165 942c267e (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (139):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/28 10:32 linux-6.1.y dc5c83b7f5f8 45ae1df4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/29 08:40 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/23 04:06 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/22 07:53 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/21 22:27 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/21 01:40 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/21 01:40 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/20 18:58 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/20 04:01 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/13 10:53 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/11 03:22 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/08 19:51 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/07 21:04 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/07 17:40 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/04 06:07 linux-6.1.y fb28aa725e05 9451e17e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/02 15:43 linux-6.1.y fb28aa725e05 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in rxrpc_cleanup_call
2026/08/30 01:05 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/29 15:00 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/29 09:57 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/29 04:29 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/29 03:20 linux-6.1.y d64a499eea6b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/24 17:52 linux-6.1.y 05208478041c b55bd4c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/23 12:44 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/23 03:19 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/22 10:46 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/22 08:53 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/22 02:36 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/21 18:58 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/20 22:50 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/20 17:55 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/20 16:50 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/19 12:49 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/18 22:59 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/18 16:04 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/18 11:22 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/18 11:22 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/17 05:11 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/13 05:51 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/13 02:07 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/11 20:33 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/11 01:34 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/10 14:24 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/09 17:45 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/08 13:49 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/08 12:39 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/04 04:50 linux-6.1.y fb28aa725e05 9451e17e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/03 01:40 linux-6.1.y fb28aa725e05 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/08/02 13:02 linux-6.1.y fb28aa725e05 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
2026/07/28 08:20 linux-6.1.y dc5c83b7f5f8 45ae1df4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in rxrpc_cleanup_call
* Struck through repros no longer work on HEAD.