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: 4014 Comm: syz-executor.0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
kmemleak: Found object by alias at 0x607f1a639bdc
CPU: 0 UID: 0 PID: 3997 Comm: syz-executor.3 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
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: 0033:0x7fbfee523b19
Code: Unable to access opcode bytes at 0x7fbfee523aef.
RSP: 002b:00007fbfeba99218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fbfee636f68 RCX: 00007fbfee523b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbfee636f68
RBP: 00007fbfee636f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbfee636f6c
R13: 00007ffd091adc8f R14: 00007fbfeba99300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a639bd8 (size 8):
kmemleak: comm "syz-executor.5", pid 4009, jiffies 4294818311
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
perf_trace_event_init+0x366/0xa10
perf_trace_init+0x1a4/0x2f0
perf_tp_event_init+0xa6/0x120
perf_try_init_event+0x140/0x9f0
perf_event_alloc.part.0+0x118e/0x45f0
__do_sys_perf_event_open+0x719/0x2c20
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
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:ffff88801ba1f780 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888014358000 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88801ba1f9f0 R08: ffff88806cf31340 R09: ffffe8ffffd16bd8
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
FS: 000055558b234400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08a8892004 CR3: 000000000dcd9000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_preemptirq_template+0x259/0x430
trace_irq_disable.constprop.0+0xa6/0x100
_raw_spin_lock_irqsave+0x53/0x60
try_to_wake_up+0xa0/0x11d0
wake_up_q+0xa1/0x130
futex_wake+0x47e/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f08a837ab19
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:00007ffc5d3ca3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08a837ab19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f08a848df68
RBP: 00007f08a848df60 R08: 00007f08a848a0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f08a8492120
R13: 00007ffc5d3ca4e0 R14: 00007f08a848df60 R15: 0000000000024fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI
RIP: 0010:perf_tp_event+0x175/0xe70
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
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
CPU: 0 UID: 0 PID: 4009 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
RSP: 0018:ffff88801ba1f780 EFLAGS: 00010012
Tainted: [D]=DIE, [W]=WARN
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RDX: ffff888014358000 RSI: ffffffff818995b7 RDI: 0000000000000191
RIP: 0010:perf_tp_event+0x175/0xe70
RBP: ffff88801ba1f9f0 R08: ffff88806cf31340 R09: ffffe8ffffd16bd8
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
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
RSP: 0018:ffff88806ce08740 EFLAGS: 00010012
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
FS: 000055558b234400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
RDX: ffff888015f5b700 RSI: ffffffff818995b7 RDI: 0000000100000190
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RBP: ffff88806ce089b0 R08: ffff88806ce313e8 R09: ffffe8ffffc16bd8
CR2: 00007f08a8892004 CR3: 000000000dcd9000 CR4: 0000000000350ef0
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
note: syz-executor.0[4014] exited with irqs disabled
R13: 0000000000000014 R14: ffff88806ce313e8 R15: dffffc0000000000
FS: 00007f8a8207e700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0b51570630 CR3: 0000000046073000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_preemptirq_template+0x259/0x430
trace_irq_disable.constprop.0+0xa6/0x100
__folio_end_writeback+0x5c2/0xae0
folio_end_writeback+0x11f/0x430
ext4_finish_bio+0x709/0x940
ext4_end_bio+0x14b/0x580
bio_endio+0x5ad/0x6b0
blk_update_request+0x2c5/0x1060
scsi_end_request+0x7a/0xa00
scsi_io_completion+0xbf/0x1640
scsi_complete+0x114/0x380
blk_complete_reqs+0xb2/0xf0
handle_softirqs+0x1b1/0x770
__irq_exit_rcu+0xc4/0x100
irq_exit_rcu+0x9/0x20
common_interrupt+0xbd/0xd0
asm_common_interrupt+0x26/0x40
RIP: 0010:strlen+0x22/0xa0
Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 fd 53 48 c1 ea 03 48 83 ec 08 0f b6 04 02 <48> 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 50 80 7d 00 00 74 3d 48 bb
RSP: 0018:ffff88800d2a72c8 EFLAGS: 00000292
RAX: 0000000000000000 RBX: 1ffff11001a54e63 RCX: 0000000000000001
RDX: 1ffffffff0992794 RSI: ffffffff85c1c760 RDI: ffffffff84c93ca0
RBP: ffffffff84c93ca0 R08: 0000000000000001 R09: ffff88800d2a7518
R10: 000000000003be53 R11: 0000000000006cee R12: ffffffff85b235a0
R13: ffffffff85c1c778 R14: ffff88800d2a7398 R15: ffff88800d2a74d8
perf_trace_lock+0xb5/0x5d0
lock_release+0x1ab/0x290
unwind_next_frame+0x3b7/0x2540
__unwind_start+0x517/0x7c0
arch_stack_walk+0x62/0xf0
stack_trace_save+0x8e/0xc0
kasan_save_stack+0x24/0x50
kasan_save_track+0x14/0x30
__kasan_slab_alloc+0x59/0x70
kmem_cache_alloc_noprof+0x205/0x690
__alloc_object+0x2b/0x2c0
__create_object+0x1d/0x80
kmem_cache_alloc_noprof+0x414/0x690
vm_area_dup+0x25/0x6f0
dup_mmap+0x80d/0x1d10
copy_process+0x3ad5/0x73c0
kernel_clone+0xea/0x7f0
__do_sys_fork+0x94/0xd0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8a84b08b19
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:00007f8a8207e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039
RAX: ffffffffffffffda RBX: 00007f8a84c1bf60 RCX: 00007f8a84b08b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f8a84b62f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffccc57bbdf R14: 00007f8a8207e300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI
RIP: 0010:perf_tp_event+0x175/0xe70
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
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
CPU: 1 UID: 0 PID: 4014 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
RSP: 0018:ffff88801ba1f780 EFLAGS: 00010012
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RIP: 0010:perf_tp_event+0x175/0xe70
RDX: ffff888014358000 RSI: ffffffff818995b7 RDI: 0000000000000191
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
RBP: ffff88801ba1f9f0 R08: ffff88806cf31340 R09: ffffe8ffffd16bd8
RSP: 0018:ffff88806cf08b40 EFLAGS: 00010012
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
FS: 00007f8a8207e700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
RDX: ffff888014358000 RSI: ffffffff818995b7 RDI: 0000000000000191
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RBP: ffff88806cf08db0 R08: ffff88806cf313e8 R09: ffffe8ffffd16bd8
CR2: 00007f0b51570630 CR3: 0000000046073000 CR4: 0000000000350ef0
R10: 0000000000000000 R11: ffff888019ace898 R12: dffffc0000000000
----------------
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