loop6: detected capacity change from 0 to 16383
BUG: unable to handle page fault for address: ffffed1021e4f426
#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: 1 UID: 0 PID: 4001 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: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:ffff888047687780 EFLAGS: 00010012
RAX: 1ffff11021e4f426 RBX: ffff88810f279f40 RCX: ffffc90005eb9000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810f27a130
RBP: ffff8880476879f0 R08: ffff88806cf31340 R09: ffffe8ffffd166f0
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007fde220ec700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1021e4f426 CR3: 000000000d968000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_preemptirq_template+0x259/0x430
trace_irq_enable.constprop.0+0xa6/0x100
trace_hardirqs_on+0x26/0x40
_raw_spin_unlock_irqrestore+0x2c/0x50
try_to_wake_up+0x8ae/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: 0033:0x7fde24b76b19
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:00007fde220ec218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fde24c89f68 RCX: 00007fde24b76b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fde24c89f6c
RBP: 00007fde24c89f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 00007fde24c89f6c
R13: 00007fffaca2bd0f R14: 00007fde220ec300 R15: 0000000000022000
Modules linked in:
CR2: ffffed1021e4f426
---[ 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:ffff888047687780 EFLAGS: 00010012
RAX: 1ffff11021e4f426 RBX: ffff88810f279f40 RCX: ffffc90005eb9000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810f27a130
RBP: ffff8880476879f0 R08: ffff88806cf31340 R09: ffffe8ffffd166f0
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007fde220ec700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1021e4f426 CR3: 000000000d968000 CR4: 0000000000350ef0
note: syz-executor.1[4001] exited with irqs disabled
BUG: unable to handle page fault for address: ffffed1021e4f426
#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: 1 UID: 0 PID: 4001 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc3-next-20250829 #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:ffff88806cf08b80 EFLAGS: 00010012
RAX: 1ffff11021e4f426 RBX: ffff88810f279f40 RCX: 0000000000000002
RDX: ffff8880461cd280 RSI: ffffffff818995b7 RDI: ffff88810f27a130
RBP: ffff88806cf08df0 R08: ffff88806cf313e8 R09: ffffe8ffffd166f0
R10: 0000000000000000 R11: ffff88801737c898 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000
FS: 00007fde220ec700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1021e4f426 CR3: 000000000d968000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_preemptirq_template+0x259/0x430
trace_irq_enable.constprop.0+0xa6/0x100
trace_hardirqs_on+0x26/0x40
handle_softirqs+0x16e/0x770
__irq_exit_rcu+0xc4/0x100
irq_exit_rcu+0x9/0x20
sysvec_apic_timer_interrupt+0x70/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:make_task_dead+0xa2/0x3b0
Code: 38 00 85 db 0f 84 21 01 00 00 e8 d9 96 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 27 92 38 00 48 85 db 0f 84 17 01 00 00 b9 96 38 00 31 ff 65 8b 1d 60 df 48 06 81 e3 ff ff ff 7f 89 de
RSP: 0018:ffff888047687f28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8880461cd280 RCX: ffffffff817c2b86
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8643ac57 R11: 0000000000000001 R12: ffff8880461cd280
R13: 0000000000000009 R14: ffff888047687760 R15: 0000000000000000
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fde24b76b19
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:00007fde220ec218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fde24c89f68 RCX: 00007fde24b76b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fde24c89f6c
RBP: 00007fde24c89f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 00007fde24c89f6c
R13: 00007fffaca2bd0f R14: 00007fde220ec300 R15: 0000000000022000
Modules linked in:
CR2: ffffed1021e4f426
---[ 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:ffff888047687780 EFLAGS: 00010012
RAX: 1ffff11021e4f426 RBX: ffff88810f279f40 RCX: ffffc90005eb9000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810f27a130
RBP: ffff8880476879f0 R08: ffff88806cf31340 R09: ffffe8ffffd166f0
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007fde220ec700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1021e4f426 CR3: 000000000d968000 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