entry_SYSCALL_64_after_hwframe+0x77/0x7f
loop4: detected capacity change from 0 to 512
EXT4-fs (loop4): VFS: Can't find ext4 filesystem
kmemleak: Automatic memory scanning thread ended
loop4: detected capacity change from 0 to 512
Oops: general protection fault, probably for non-canonical address 0xdffffc0447a2d6c0: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x000000223d16b600-0x000000223d16b607]
CPU: 0 UID: 0 PID: 288 Comm: syz-executor.6 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:ffff888015ef76c0 EFLAGS: 00010017
RAX: 0000000447a2d6c0 RBX: 000000223d16b414 RCX: 0000000000000002
RDX: ffff88800fe93700 RSI: ffffffff818995b7 RDI: 000000223d16b604
RBP: ffff888015ef7930 R08: ffff88806ce31340 R09: ffffe8ffffc16780
R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555584217400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f777676142f CR3: 0000000020c8b000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
__schedule+0xe50/0x3590
schedule+0xdb/0x390
do_nanosleep+0x15e/0x560
hrtimer_nanosleep+0x13a/0x340
common_nsleep+0xaa/0xd0
__x64_sys_clock_nanosleep+0x331/0x470
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0174c1a8e1
Code: Unable to access opcode bytes at 0x7f0174c1a8b7.
RSP: 002b:00007fffef4a2cf0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0174c1a8e1
RDX: 00007fffef4a2d30 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fffef4a2dbc R08: 0000000000000000 R09: 00007f0174ce5000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000023d57 R14: 0000000000000002 R15: 00007fffef4a2e20
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:ffff888015ef76c0 EFLAGS: 00010017
RAX: 0000000447a2d6c0 RBX: 000000223d16b414 RCX: 0000000000000002
RDX: ffff88800fe93700 RSI: ffffffff818995b7 RDI: 000000223d16b604
RBP: ffff888015ef7930 R08: ffff88806ce31340 R09: ffffe8ffffc16780
R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555584217400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f777676142f CR3: 0000000020c8b000 CR4: 0000000000350ef0
note: syz-executor.6[288] exited with irqs disabled
Oops: general protection fault, probably for non-canonical address 0xdffffc0447a2d6c0: 0000 [#2] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x000000223d16b600-0x000000223d16b607]
CPU: 0 UID: 0 PID: 288 Comm: syz-executor.6 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:ffff88806ce08a80 EFLAGS: 00010017
RAX: 0000000447a2d6c0 RBX: 000000223d16b414 RCX: 0000000000000002
RDX: ffff88800fe93700 RSI: ffffffff818995b7 RDI: 000000223d16b604
RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc16780
R10: 0000000000000000 R11: 746e756f63716573 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31490 R15: dffffc0000000000
FS: 0000555584217400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f777676142f CR3: 0000000020c8b000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
ktime_get_update_offsets_now+0xab/0x3c0
hrtimer_interrupt+0x114/0x830
__sysvec_apic_timer_interrupt+0xbb/0x330
sysvec_apic_timer_interrupt+0x6b/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:ffff888015ef7f28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88800fe93700 RCX: ffffffff817c2b86
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234
RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8643ac57 R11: 0000000000000001 R12: ffff88800fe93700
R13: 0000000000000000 R14: dffffc0447a2d6c0 R15: 0000000000000000
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0174c1a8e1
Code: Unable to access opcode bytes at 0x7f0174c1a8b7.
RSP: 002b:00007fffef4a2cf0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0174c1a8e1
RDX: 00007fffef4a2d30 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fffef4a2dbc R08: 0000000000000000 R09: 00007f0174ce5000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000023d57 R14: 0000000000000002 R15: 00007fffef4a2e20
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:ffff888015ef76c0 EFLAGS: 00010017
RAX: 0000000447a2d6c0 RBX: 000000223d16b414 RCX: 0000000000000002
RDX: ffff88800fe93700 RSI: ffffffff818995b7 RDI: 000000223d16b604
RBP: ffff888015ef7930 R08: ffff88806ce31340 R09: ffffe8ffffc16780
R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555584217400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f777676142f CR3: 0000000020c8b000 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