syzbot


kernel panic: corrupted stack end in nf_tables_getset

Status: fixed on 2023/02/24 13:50
Subsystems: net
[Documentation on labels]
Fix commit: b81d591386c3 riscv: Increase stack size under KASAN
First crash: 583d, last: 583d

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 4221 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8000a228>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113
[<ffffffff831668cc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119
[<ffffffff831756ba>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff831756ba>] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106
[<ffffffff83175742>] dump_stack+0x1c/0x24 lib/dump_stack.c:113
[<ffffffff83166fa8>] panic+0x24a/0x634 kernel/panic.c:233
[<ffffffff831a688a>] schedule_debug kernel/sched/core.c:5541 [inline]
[<ffffffff831a688a>] schedule+0x0/0x14c kernel/sched/core.c:6187
[<ffffffff831a6b00>] preempt_schedule_common+0x4e/0xde kernel/sched/core.c:6462
[<ffffffff831a6bc4>] preempt_schedule+0x34/0x36 kernel/sched/core.c:6487
[<ffffffff831a9556>] __mutex_lock_common kernel/locking/mutex.c:608 [inline]
[<ffffffff831a9556>] __mutex_lock+0x7c6/0xade kernel/locking/mutex.c:733
[<ffffffff831a9882>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:785
[<ffffffff8296857a>] __netlink_dump_start+0xf4/0x4cc net/netlink/af_netlink.c:2337
[<ffffffff82a2af94>] netlink_dump_start include/linux/netlink.h:254 [inline]
[<ffffffff82a2af94>] nft_netlink_dump_start_rcu+0x9c/0x1fc net/netfilter/nf_tables_api.c:863
[<ffffffff82a4889e>] nf_tables_getset+0x492/0x4ac net/netfilter/nf_tables_api.c:4128
[<ffffffff829a5c68>] nfnetlink_rcv_msg+0x4e8/0x1236 net/netfilter/nfnetlink.c:285
[<ffffffff8296ded2>] netlink_rcv_skb+0xf8/0x2be net/netlink/af_netlink.c:2494
[<ffffffff829a44b6>] nfnetlink_rcv+0x156/0x33a net/netfilter/nfnetlink.c:654
[<ffffffff8296cbcc>] netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
[<ffffffff8296cbcc>] netlink_unicast+0x40e/0x5fe net/netlink/af_netlink.c:1343
[<ffffffff8296d29c>] netlink_sendmsg+0x4e0/0x994 net/netlink/af_netlink.c:1919
[<ffffffff826d264e>] sock_sendmsg_nosec net/socket.c:705 [inline]
[<ffffffff826d264e>] sock_sendmsg+0xa0/0xc4 net/socket.c:725
[<ffffffff826d4dd4>] ____sys_sendmsg+0x46e/0x484 net/socket.c:2413
[<ffffffff826d8bca>] ___sys_sendmsg+0x16c/0x1f6 net/socket.c:2467
[<ffffffff826d8e78>] __sys_sendmsg+0xba/0x150 net/socket.c:2496
[<ffffffff826d8f3a>] __do_sys_sendmsg net/socket.c:2505 [inline]
[<ffffffff826d8f3a>] sys_sendmsg+0x2c/0x3a net/socket.c:2503
[<ffffffff80005716>] ret_from_syscall+0x0/0x2
SMP: stopping secondary CPUs
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/07 17:10 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 0966d385830d a779b11a .config console log report info ci-qemu2-riscv64 kernel panic: corrupted stack end in nf_tables_getset
* Struck through repros no longer work on HEAD.