------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.1/24265
Modules linked in:
CPU: 1 UID: 0 PID: 24265 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x331/0x3d0
Code: 84 db 75 07 5b 5d e9 ee a2 ab ff e8 e9 a2 ab ff 90 0f 0b 90 eb ee e8 de a2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 d0 a2 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 c2 a2 ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff88804fd5fa48 EFLAGS: 00010216
RAX: 000000000003b734 RBX: ffff88800cb34340 RCX: ffffc90001817000
RDX: 0000000000040000 RSI: ffffffff81c92b50 RDI: 0000000000000001
RBP: ffff8880190d4501 R08: 0000000000000001 R09: ffffed100321a900
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800cb34340
R13: 0000000000000100 R14: ffff88801e57bff8 R15: ffff88801e4f9860
FS: 00007f37c13d2700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffee6e70fb8 CR3: 000000003c981000 CR4: 0000000000350ef0
Call Trace:
copy_namespaces+0x4a3/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f37c3e5cb19
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:00007f37c13d2188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f37c3f6ff60 RCX: 00007f37c3e5cb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f37c3eb6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffee6e73c4f R14: 00007f37c13d2300 R15: 0000000000022000
irq event stamp: 7675
hardirqs last enabled at (7683): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (7692): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (7434): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (7385): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 24519 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary)
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+0xcd/0x680
__ext4_set_acl+0xe6/0x5c0
ext4_init_acl+0x22c/0x2e0
__ext4_new_inode+0x393b/0x4d60
ext4_tmpfile+0x1e2/0x4c0
vfs_tmpfile+0x2c6/0x9a0
path_openat+0x14bc/0x2880
do_filp_open+0x1e8/0x450
do_sys_openat2+0x104/0x1b0
__x64_sys_openat+0x142/0x200
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe35d538b19
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:00007fe35aaae188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe35d64bf60 RCX: 00007fe35d538b19
RDX: 000000000041e002 RSI: 00000000200010c0 RDI: ffffffffffffff9c
RBP: 00007fe35aaae1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe67ce88cf R14: 00007fe35aaae300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 24527 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary)
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+0x80/0x690
getname_flags.part.0+0x48/0x540
__x64_sys_rmdir+0xb2/0x110
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec964bab19
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:00007fec93a30188 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fec965cdf60 RCX: 00007fec964bab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007fec93a301d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdf62b226f R14: 00007fec93a30300 R15: 0000000000022000
tmpfs: Bad value for 'mpol'