Messages in this thread | | | Date | Fri, 23 Dec 2022 00:29:34 -0800 | Subject | Re: [syzbot] kernel BUG in rxrpc_put_peer | From | syzbot <> |
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syzbot has found a reproducer for the following issue on:
HEAD commit: 8395ae05cb5a Merge tag 'scsi-misc' of git://git.kernel.org.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=1458e1cf880000 kernel config: https://syzkaller.appspot.com/x/.config?x=b0e81c4eb13a67cd dashboard link: https://syzkaller.appspot.com/bug?extid=c22650d2844392afdcfd compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14386450480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17223f80480000
Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/185a22278a16/disk-8395ae05.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/852ad4c6710f/vmlinux-8395ae05.xz kernel image: https://storage.googleapis.com/syzbot-assets/d0b9daae6d3a/bzImage-8395ae05.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c22650d2844392afdcfd@syzkaller.appspotmail.com
rxrpc: Assertion failed ------------[ cut here ]------------ kernel BUG at net/rxrpc/peer_object.c:413! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27502 Comm: krxrpcio/0 Not tainted 6.1.0-syzkaller-14446-g8395ae05cb5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__rxrpc_put_peer net/rxrpc/peer_object.c:413 [inline] RIP: 0010:rxrpc_put_peer.cold+0x11/0x13 net/rxrpc/peer_object.c:437 Code: ff e9 21 62 f9 fe e8 74 30 7e f7 48 c7 c7 a0 16 76 8b e8 04 ef bc ff 0f 0b e8 61 30 7e f7 48 c7 c7 a0 1b 76 8b e8 f1 ee bc ff <0f> 0b e8 4e 30 7e f7 4c 8b 4c 24 30 48 89 ea 48 89 ee 48 c7 c1 a0 RSP: 0018:ffffc9000607fbe8 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff88801eeb7800 RCX: 0000000000000000 RDX: ffff88802b638280 RSI: ffffffff8165927c RDI: fffff52000c0ff6f RBP: ffff888028d23c00 R08: 0000000000000017 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff888028550000 R13: ffff888028d23d28 R14: ffff888028d23c10 R15: ffff888028d23c30 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000077fb2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rxrpc_clean_up_connection+0x37d/0x4b0 net/rxrpc/conn_object.c:317 rxrpc_put_connection.part.0+0x1e8/0x210 net/rxrpc/conn_object.c:356 rxrpc_put_connection+0x25/0x30 net/rxrpc/conn_object.c:339 rxrpc_clean_up_local_conns+0x3ad/0x530 net/rxrpc/conn_client.c:1129 rxrpc_destroy_local+0x170/0x2f0 net/rxrpc/local_object.c:395 rxrpc_io_thread+0xce8/0xfb0 net/rxrpc/io_thread.c:496 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__rxrpc_put_peer net/rxrpc/peer_object.c:413 [inline] RIP: 0010:rxrpc_put_peer.cold+0x11/0x13 net/rxrpc/peer_object.c:437 Code: ff e9 21 62 f9 fe e8 74 30 7e f7 48 c7 c7 a0 16 76 8b e8 04 ef bc ff 0f 0b e8 61 30 7e f7 48 c7 c7 a0 1b 76 8b e8 f1 ee bc ff <0f> 0b e8 4e 30 7e f7 4c 8b 4c 24 30 48 89 ea 48 89 ee 48 c7 c1 a0 RSP: 0018:ffffc9000607fbe8 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff88801eeb7800 RCX: 0000000000000000 RDX: ffff88802b638280 RSI: ffffffff8165927c RDI: fffff52000c0ff6f RBP: ffff888028d23c00 R08: 0000000000000017 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff888028550000 R13: ffff888028d23d28 R14: ffff888028d23c10 R15: ffff888028d23c30 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000000c48e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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