SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1019 sclass=netlink_route_socket pid=4014 comm=syz-executor.5
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.7/284
Modules linked in:
CPU: 1 UID: 0 PID: 284 Comm: syz-executor.7 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:ffff8880182ffce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff1100305ffa1 RCX: ffffffff81bf96d3
RDX: ffff8880179c5280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888016acdc00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff8880182ffd48
R13: 00000000ffffffff R14: ffff888016acdc00 R15: ffff888016acdce8
FS: 0000555577dac400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b2d62a220 CR3: 0000000042d02000 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: 0033:0x7f796ed3ff87
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:00007ffea690f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f796ed3ff87
RDX: 00007ffea690f109 RSI: 000000000000000a RDI: 00007ffea690f100
RBP: 00007ffea690f100 R08: 00000000ffffffff R09: 00007ffea690eed0
R10: 0000555577dadd33 R11: 0000000000000246 R12: 00007f796ed98105
R13: 00007ffea69101c0 R14: 0000555577dadc20 R15: 00007ffea6910200
irq event stamp: 161617
hardirqs last enabled at (161625): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (161634): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (161594): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (161589): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 264192
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1019 sclass=netlink_route_socket pid=4018 comm=syz-executor.5
loop4: detected capacity change from 0 to 264192
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.7/284
Modules linked in:
CPU: 0 UID: 0 PID: 284 Comm: syz-executor.7 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:ffff8880182ffc00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff1100305ff85 RCX: ffffffff81bf96d3
RDX: ffff8880179c5280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888016acddc0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff8880182ffc68
R13: 00000000ffffffff R14: dead000000000100 R15: ffff888016acddc0
FS: 0000555577dac400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555559599c98 CR3: 0000000042d02000 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: 0033:0x7f796ed3ff87
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:00007ffea690f038 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f796ed3ff87
RDX: 00007ffea690f109 RSI: 000000000000000a RDI: 00007ffea690f100
RBP: 00007ffea690f100 R08: 00000000ffffffff R09: 00007ffea690eed0
R10: 0000555577dadd33 R11: 0000000000000202 R12: 00007f796ed98105
R13: 00007ffea69101c0 R14: 0000555577dadc20 R15: 00007ffea6910200
irq event stamp: 162491
hardirqs last enabled at (162499): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (162508): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (162418): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (162411): [] __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.7/284
Modules linked in:
CPU: 0 UID: 0 PID: 284 Comm: syz-executor.7 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:ffff8880182ffce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff1100305ffa1 RCX: ffffffff81bf96d3
RDX: ffff8880179c5280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888016acddc0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffffe R11: 0000000000000001 R12: ffff8880182ffd48
R13: 00000000fffffffe R14: ffff888016acddc0 R15: ffff888016acdea8
FS: 0000555577dac400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb16d126008 CR3: 0000000042d02000 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: 0033:0x7f796ed3ff87
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:00007ffea690f038 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f796ed3ff87
RDX: 00007ffea690f109 RSI: 000000000000000a RDI: 00007ffea690f100
RBP: 00007ffea690f100 R08: 00000000ffffffff R09: 00007ffea690eed0
R10: 0000555577dadd33 R11: 0000000000000202 R12: 00007f796ed98105
R13: 00007ffea69101c0 R14: 0000555577dadc20 R15: 00007ffea6910200
irq event stamp: 163047
hardirqs last enabled at (163055): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (163080): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (163078): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (163063): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 128
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 1 UID: 0 PID: 175 Comm: rs:main Q:Reg 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:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801770f940 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888017418000 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88801770fbb0 R08: ffff88806cf31340 R09: ffffe8ffffd16558
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000001c R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007f937c9d9700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000000c6f2000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_contention_end+0x235/0x3e0
trace_contention_end+0xae/0x110
__mutex_lock+0x166/0x1020
fdget_pos+0x2a8/0x380
ksys_write+0x71/0x240
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f937d81cfef
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 29 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 5c fd ff ff 48
RSP: 002b:00007f937c9d8860 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9368001e00 RCX: 00007f937d81cfef
RDX: 000000000000009f RSI: 00007f93680020c0 RDI: 0000000000000007
RBP: 000000000000009f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f93680020c0
R13: 0000000000000000 R14: 000000000000004f R15: 00007f9368001e00
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801770f940 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888017418000 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88801770fbb0 R08: ffff88806cf31340 R09: ffffe8ffffd16558
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000001c R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007f937c9d9700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000000c6f2000 CR4: 0000000000350ef0
note: rs:main Q:Reg[175] exited with preempt_count 2
tmpfs: Invalid gid '0x00000000ffffffff'
rfkill: input handler disabled
rfkill: input handler enabled
tmpfs: Invalid gid '0x00000000ffffffff'
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 48 89 fisttps -0x77(%rax)
3: 85 a8 fd ff ff 48 test %ebp,0x48fffffd(%rax)
9: c1 e8 03 shr $0x3,%eax
c: 4c 01 e0 add %r12,%rax
f: 48 89 85 c8 fd ff ff mov %rax,-0x238(%rbp)
16: e8 c9 51 ea ff callq 0xffea51e4
1b: 48 8d bb f0 01 00 00 lea 0x1f0(%rbx),%rdi
22: 48 89 f8 mov %rdi,%rax
25: 48 c1 e8 03 shr $0x3,%rax
* 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 03 cmp $0x3,%al
34: 0f 8e c5 0b 00 00 jle 0xbff
3a: 44 rex.R
3b: 8b .byte 0x8b
3c: ab stos %eax,%es:(%rdi)
3d: f0 lock
3e: 01 .byte 0x1