BUG: unable to handle page fault for address: ffffed10212c95b6
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffd4067 P4D 7ffd4067 PUD 7ffd3067 PMD 0
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 3936 Comm: syz-executor.3 Tainted: G W 6.17.0-rc4-next-20250901 #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:ffff88804851f800 EFLAGS: 00010212
RAX: 1ffff110212c95b6 RBX: ffff88810964abc0 RCX: ffffc900066bd000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: ffff88810964adb0
RBP: ffff88804851fa70 R08: ffff88806ce31340 R09: ffffe8ffffc16a20
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007fc8c194d700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c95b6 CR3: 00000000447d6000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8c43d7b19
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:00007fc8c194d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fc8c44eaf68 RCX: 00007fc8c43d7b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc8c44eaf6c
RBP: 00007fc8c44eaf60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc8c44eaf6c
R13: 00007ffff319b4ef R14: 00007fc8c194d300 R15: 0000000000022000
Modules linked in:
CR2: ffffed10212c95b6
---[ 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:ffff88804851f800 EFLAGS: 00010212
RAX: 1ffff110212c95b6 RBX: ffff88810964abc0 RCX: ffffc900066bd000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: ffff88810964adb0
RBP: ffff88804851fa70 R08: ffff88806ce31340 R09: ffffe8ffffc16a20
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007fc8c194d700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c95b6 CR3: 00000000447d6000 CR4: 0000000000350ef0
note: syz-executor.3[3936] exited with irqs disabled
BUG: unable to handle page fault for address: ffffed10212c95b6
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffd4067 P4D 7ffd4067 PUD 7ffd3067 PMD 0
Oops: Oops: 0000 [#2] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 3936 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [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:ffff88806ce08a80 EFLAGS: 00010012
RAX: 1ffff110212c95b6 RBX: ffff88810964abc0 RCX: 0000000000000002
RDX: ffff888045a25280 RSI: ffffffff8189a4e7 RDI: ffff88810964adb0
RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc16a20
R10: 0000000000000000 R11: ffff88800e56c098 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000
FS: 00007fc8c194d700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c95b6 CR3: 00000000447d6000 CR4: 0000000000350ef0
Call Trace:
kmemleak: Found object by alias at 0x607f1a63dd24
CPU: 1 UID: 0 PID: 3944 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [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
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
exit_to_user_mode_loop+0x8b/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f768f0f4b19
Code: Unable to access opcode bytes at 0x7f768f0f4aef.
RSP: 002b:00007f768c66a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f768f207f68 RCX: 00007f768f0f4b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f768f207f6c
RBP: 00007f768f207f60 R08: 000000000000000e R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f768f207f6c
R13: 00007ffc1efcc06f R14: 00007f768c66a300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a63dd20 (size 8):
kmemleak: comm "syz-executor.4", pid 288, jiffies 4294787155
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
cgroup_apply_control_enable+0x4a6/0x9f0
cgroup_mkdir+0x86e/0x1110
kernfs_iop_mkdir+0x111/0x190
vfs_mkdir+0x59a/0x8d0
do_mkdirat+0x19f/0x3d0
__x64_sys_mkdir+0xf3/0x140
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
_raw_spin_unlock+0x16/0x40
sched_ttwu_pending+0x2e0/0x4a0
__flush_smp_call_function_queue+0x434/0x740
__sysvec_call_function_single+0x6d/0x370
sysvec_call_function_single+0xa1/0xc0
asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:make_task_dead+0xa2/0x3b0
Code: 38 00 85 db 0f 84 21 01 00 00 e8 09 a6 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 57 a1 38 00 48 85 db 0f 84 17 01 00 00 e9 a5 38 00 31 ff 65 8b 1d 60 2f 49 06 81 e3 ff ff ff 7f 89 de
RSP: 0018:ffff88804851ff28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888045a25280 RCX: ffffffff817c3ab6
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8643b457 R11: 0000000000000001 R12: ffff888045a25280
R13: 0000000000000009 R14: ffff88804851f7e0 R15: 0000000000000000
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fc8c43d7b19
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:00007fc8c194d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fc8c44eaf68 RCX: 00007fc8c43d7b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc8c44eaf6c
RBP: 00007fc8c44eaf60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc8c44eaf6c
R13: 00007ffff319b4ef R14: 00007fc8c194d300 R15: 0000000000022000
Modules linked in:
CR2: ffffed10212c95b6
---[ 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:ffff88804851f800 EFLAGS: 00010212
RAX: 1ffff110212c95b6 RBX: ffff88810964abc0 RCX: ffffc900066bd000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: ffff88810964adb0
RBP: ffff88804851fa70 R08: ffff88806ce31340 R09: ffffe8ffffc16a20
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007fc8c194d700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c95b6 CR3: 00000000447d6000 CR4: 0000000000350ef0
----------------
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