------------[ cut here ]------------
WARNING: CPU: 1 PID: 12642 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 1 UID: 0 PID: 12642 Comm: syz-executor.1 Not tainted 6.13.0-rc3-next-20241220 #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 5c 80 a3 00 e8 47 df 6a fd 90 <0f> 0b 90 eb 93 e8 3c df 6a fd 0f b6 2d 1d 26 36 02 31 ff 89 ee e8
RSP: 0018:ffff88804323fc20 EFLAGS: 00010212
RAX: 0000000000018163 RBX: ffff888046128000 RCX: ffffc9000aa50000
RDX: 0000000000040000 RSI: ffffffff8406ea09 RDI: 0000000000000005
RBP: ffff88803cdba000 R08: 0000000000000000 R09: ffffed1008c25029
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888046128800 R14: ffff888046128000 R15: fffffbfff0c51178
FS: 00007fe4f339c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30de6c3ae0 CR3: 00000000162a8000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7fe4f5e47b19
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:00007fe4f339c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fe4f5f5b020 RCX: 00007fe4f5e47b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048040080
RBP: 00007fe4f5ea1f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc7bf1ed6f R14: 00007fe4f339c300 R15: 0000000000022000
irq event stamp: 7771
hardirqs last enabled at (7781): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (7792): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (7404): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (7217): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 12681 Comm: syz-executor.5 Tainted: G W 6.13.0-rc3-next-20241220 #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
__kmalloc_noprof+0xb5/0x4b0
security_sb_alloc+0xe3/0x140
alloc_super+0x23b/0xb80
sget_fc+0xfe/0xb80
get_tree_nodev+0x28/0x190
vfs_get_tree+0x93/0x340
path_mount+0x13b2/0x1eb0
__x64_sys_mount+0x283/0x300
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2de139b04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f2dde90efa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2de139b04a
RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f2dde90f040 R08: 00007f2dde90f040 R09: 00000000200000c0
R10: 0000000000000000 R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000000 R14: 00007f2dde90f000 R15: 0000000020000080
audit: type=1400 audit(1735863854.242:18): avc: denied { execmod } for pid=12680 comm="syz-executor.6" path="/syzkaller-testdir683819804/syzkaller.DI1e4p/63/file1" dev="sda" ino=16016 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=file permissive=1