loop4: detected capacity change from 0 to 16383
SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22
SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.5/4156
Modules linked in:
CPU: 1 UID: 0 PID: 4156 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88800fbdfa18 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11001f7bf48 RCX: ffffffff81bf96d3
RDX: ffff888019d6b700 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801774cc40 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88800fbdfa80
R13: 00000000ffffffff R14: ffff88801774cc40 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cb24000 CR3: 0000000036fa4000 CR4: 0000000000350ef0
Call Trace:
cleanup_mnt+0x14c/0x430
task_work_run+0x172/0x280
do_exit+0x846/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
irqentry_exit_to_user_mode+0x106/0x1c0
exc_page_fault+0xd9/0x180
asm_exc_page_fault+0x26/0x30
RIP: 0033:0xe
Code: Unable to access opcode bytes at 0xffffffffffffffe4.
RSP: 002b:00007fc0285d6190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fc02b173f60 RCX: 00007fc02b060b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fc02b0baf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6985c80f R14: 00007fc0285d6300 R15: 0000000000022000
irq event stamp: 959
hardirqs last enabled at (969): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (978): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (752): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (745): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
kmemleak: Cannot insert 0x607f1a634c74 into the object search tree (overlaps existing)
CPU: 0 UID: 0 PID: 4121 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #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+0xca/0x120
__link_object+0x190/0x210
__create_object+0x48/0x80
pcpu_alloc_noprof+0x87a/0x1170
__percpu_counter_init_many+0x44/0x360
xfrm4_net_init+0x4e/0x1a0
ops_init+0x1e1/0x650
setup_net+0x10d/0x320
copy_net_ns+0x2e3/0x650
create_new_namespaces+0x3f6/0xab0
copy_namespaces+0x45c/0x580
copy_process+0x2649/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc02b060b19
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:00007fc0285d6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fc02b173f60 RCX: 00007fc02b060b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fc02b0baf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6985c80f R14: 00007fc0285d6300 R15: 0000000000022000
kmemleak: Kernel memory leak detector disabled
kmemleak: Object (percpu) 0x607f1a634c70 (size 8):
kmemleak: comm "syz-executor.5", pid 4121, jiffies 4294842013
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
xfrm_state_init+0x1a5/0x640
xfrm_net_init+0x1a3/0xb20
ops_init+0x1e1/0x650
setup_net+0x10d/0x320
copy_net_ns+0x2e3/0x650
create_new_namespaces+0x3f6/0xab0
copy_namespaces+0x45c/0x580
copy_process+0x2649/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Found object by alias at 0x607f1a634c8c
CPU: 1 UID: 0 PID: 4149 Comm: syz-executor.2 Tainted: G W 6.17.0-rc3-next-20250829 #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+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
copy_process+0x273d/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa7e4eddb19
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:00007fa7e2453188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fa7e4ff0f60 RCX: 00007fa7e4eddb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020001880
RBP: 00007fa7e4f37f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4b00457f R14: 00007fa7e2453300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a634c88 (size 8):
kmemleak: comm "syz-executor.5", pid 4121, jiffies 4294842354
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
xfrm_state_init+0x1a5/0x640
xfrm_net_init+0x1a3/0xb20
ops_init+0x1e1/0x650
setup_net+0x10d/0x320
copy_net_ns+0x2e3/0x650
create_new_namespaces+0x3f6/0xab0
copy_namespaces+0x45c/0x580
copy_process+0x2649/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Automatic memory scanning thread ended