syzbot


kernel panic: corrupted stack end in inet_ioctl

Status: closed as invalid on 2023/02/17 17:46
Subsystems: net
[Documentation on labels]
First crash: 960d, last: 960d

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 5908 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
[<ffffffff8046ef56>] __slab_alloc.constprop.0+0x8a/0x8c mm/slub.c:3107
[<ffffffff804705ec>] slab_alloc_node mm/slub.c:3196 [inline]
[<ffffffff804705ec>] slab_alloc mm/slub.c:3238 [inline]
[<ffffffff804705ec>] kmem_cache_alloc_trace+0x2a2/0x2e0 mm/slub.c:3255
[<ffffffff80c00e38>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff80c00e38>] kzalloc include/linux/slab.h:715 [inline]
[<ffffffff80c00e38>] ref_tracker_alloc+0x10c/0x33e lib/ref_tracker.c:77
[<ffffffff82bd8a7c>] netdev_tracker_alloc include/linux/netdevice.h:3859 [inline]
[<ffffffff82bd8a7c>] dev_hold_track include/linux/netdevice.h:3876 [inline]
[<ffffffff82bd8a7c>] dev_hold_track include/linux/netdevice.h:3871 [inline]
[<ffffffff82bd8a7c>] fib_check_nh_v4_gw+0x6e0/0xc8e net/ipv4/fib_semantics.c:1192
[<ffffffff82bdd958>] fib_check_nh+0x2d0/0x47e net/ipv4/fib_semantics.c:1242
[<ffffffff82bdf572>] fib_create_info+0x1748/0x2d8e net/ipv4/fib_semantics.c:1563
[<ffffffff82becedc>] fib_table_insert+0x1a0/0xebe net/ipv4/fib_trie.c:1224
[<ffffffff82bd4ab0>] ip_rt_ioctl+0x7c8/0x102e net/ipv4/fib_frontend.c:639
[<ffffffff82bb97c6>] inet_ioctl+0x2ac/0x2c2 net/ipv4/af_inet.c:939
[<ffffffff826d51d4>] sock_do_ioctl net/socket.c:1122 [inline]
[<ffffffff826d51d4>] sock_ioctl+0x2ac/0x68c net/socket.c:1239
[<ffffffff804f6ff8>] vfs_ioctl fs/ioctl.c:51 [inline]
[<ffffffff804f6ff8>] __do_sys_ioctl fs/ioctl.c:874 [inline]
[<ffffffff804f6ff8>] sys_ioctl+0x75c/0x139e fs/ioctl.c:860
[<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
2023/01/10 06:08 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 0966d385830d 48bc529a .config console log report info ci-qemu2-riscv64 kernel panic: corrupted stack end in inet_ioctl
* Struck through repros no longer work on HEAD.