------------[ cut here ]------------
WARNING: CPU: 0 PID: 7529 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 0 UID: 0 PID: 7529 Comm: syz-executor.0 Not tainted 6.13.0-rc3-next-20241219 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ipmr_rules_exit+0x13a/0x1c0
Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 bc 73 a3 00 e8 87 1d 6b fd 90 <0f> 0b 90 eb 93 e8 7c 1d 6b fd 0f b6 2d fc 67 36 02 31 ff 89 ee e8
RSP: 0018:ffff888040877c20 EFLAGS: 00010216
RAX: 00000000000181d2 RBX: ffff88803dbe2e00 RCX: ffffc90001200000
RDX: 0000000000040000 RSI: ffffffff8406a569 RDI: 0000000000000005
RBP: ffff888016ba2000 R08: 0000000000000000 R09: ffffed1007b7c5e9
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88803dbe3600 R14: ffff88803dbe2e00 R15: fffffbfff0c51148
FS: 00007fb9ea049700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8979ec7c18 CR3: 000000000c5c2000 CR4: 0000000000350ef0
Call Trace:
ipmr_net_exit_batch+0x53/0xa0
ops_exit_list+0x12b/0x180
setup_net+0x492/0x7a0
copy_net_ns+0x2e3/0x700
create_new_namespaces+0x3f6/0xaf0
unshare_nsproxy_namespaces+0xc0/0x200
ksys_unshare+0x46a/0xa10
__x64_sys_unshare+0x31/0x40
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb9ecaf4b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb9ea049188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fb9ecc08020 RCX: 00007fb9ecaf4b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048040080
RBP: 00007fb9ecb4ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffedb1d93cf R14: 00007fb9ea049300 R15: 0000000000022000
irq event stamp: 7203
hardirqs last enabled at (7213): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (7224): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (7130): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (7111): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
kworker/u10:3 (147) used greatest stack depth: 23240 bytes left
loop1: detected capacity change from 0 to 264192
msdos: Unknown parameter 'euid'
loop4: detected capacity change from 0 to 40
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 7547 Comm: syz-executor.2 Tainted: G W 6.13.0-rc3-next-20241219 #1
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x60/0x3d0
getname_flags.part.0+0x48/0x550
getname_flags+0x95/0xe0
__x64_sys_mknodat+0xa0/0xe0
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8979de6b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f897735c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f8979ef9f60 RCX: 00007f8979de6b19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffffff
RBP: 00007f897735c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000704 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffefa302c1f R14: 00007f897735c300 R15: 0000000000022000
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=84, nr_sectors = 8 limit=40
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
9pnet: Could not find request transport: Xl@=0xffffffffffffffff