path_mount+0x1637/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.1/283
Modules linked in:
CPU: 0 UID: 0 PID: 283 Comm: syz-executor.1 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:ffff8880165cfc00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002cb9f85 RCX: ffffffff81bf96d3
RDX: ffff888015740000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff8880166d21c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffff3 R11: 0000000000000001 R12: ffff8880165cfc68
R13: 00000000fffffff3 R14: dead000000000100 R15: ffff8880166d21c0
FS: 000055555a941400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf2f000 CR3: 000000000dca6000 CR4: 0000000000350ef0
Call Trace:
namespace_unlock+0x7f1/0x810
path_umount+0x6a4/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4053b16f87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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:00007fffb4322848 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4053b16f87
RDX: 00007fffb4322919 RSI: 000000000000000a RDI: 00007fffb4322910
RBP: 00007fffb4322910 R08: 00000000ffffffff R09: 00007fffb43226e0
R10: 000055555a942c7b R11: 0000000000000206 R12: 00007f4053b6f105
R13: 00007fffb43239d0 R14: 000055555a942c20 R15: 00007fffb4323a10
irq event stamp: 172881
hardirqs last enabled at (172891): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (172898): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (172852): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (172847): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.1/283
Modules linked in:
CPU: 0 UID: 0 PID: 283 Comm: syz-executor.1 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:ffff8880165cfce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002cb9fa1 RCX: ffffffff81bf96d3
RDX: ffff888015740000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff8880166d21c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffff2 R11: 0000000000000001 R12: ffff8880165cfd48
R13: 00000000fffffff2 R14: ffff8880166d21c0 R15: ffff8880166d22a8
FS: 000055555a941400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1c93c1f80 CR3: 000000000dca6000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4053b16f87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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:00007fffb4322848 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4053b16f87
RDX: 00007fffb4322919 RSI: 000000000000000a RDI: 00007fffb4322910
RBP: 00007fffb4322910 R08: 00000000ffffffff R09: 00007fffb43226e0
R10: 000055555a942c7b R11: 0000000000000206 R12: 00007f4053b6f105
R13: 00007fffb43239d0 R14: 000055555a942c20 R15: 00007fffb4323a10
irq event stamp: 173351
hardirqs last enabled at (173359): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (173368): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (172996): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (172959): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
random: crng reseeded on system resumption
random: crng reseeded on system resumption
EXT4-fs warning (device sda): ext4_group_extend:1862: can't shrink FS - resize aborted
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
loop5: detected capacity change from 0 to 8
random: crng reseeded on system resumption
tmpfs: Unknown parameter 'nfs4'
loop5: detected capacity change from 0 to 8
loop7: detected capacity change from 0 to 512
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8.
netlink: 104 bytes leftover after parsing attributes in process `syz-executor.1'.
mac80211_hwsim hwsim11 wlan1: entered promiscuous mode
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8.
mac80211_hwsim hwsim11 wlan1: left promiscuous mode
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
netlink: 92 bytes leftover after parsing attributes in process `syz-executor.1'.
mac80211_hwsim hwsim11 wlan1: entered promiscuous mode
mac80211_hwsim hwsim11 wlan1: left promiscuous mode
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.