sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
unregister_netdevice: waiting for lo to become free. Usage count = -7
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
loop4: detected capacity change from 0 to 6
loop6: detected capacity change from 0 to 9
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
vfat: Unknown parameter '00000000000000000000ÿÿÿÿÿÿÿÿ'
vfat: Unknown parameter ''
loop4: detected capacity change from 0 to 6
vfat: Unknown parameter '00000000000000000000ÿÿÿÿÿÿÿÿ'
loop1: detected capacity change from 0 to 7
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: 276 Comm: syz-executor.0 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:ffff88806cf08740 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa2 RCX: 0000000000000002
RDX: ffff88800f3fd280 RSI: ffffffff818995b7 RDI: 0000000000000192
RBP: ffff88806cf089b0 R08: ffff88806cf313e8 R09: ffffe8ffffd16800
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000
FS: 0000555579a15400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd23000 CR3: 000000003584c000 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
sysvec_call_function_single+0xa6/0xc0
asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:finish_task_switch.isra.0+0x20f/0x840
Code: 4c 89 ff 48 c7 03 00 00 00 00 e8 dc ee 76 03 4d 85 e4 75 ba 4c 89 ff e8 3f d5 76 03 e8 fa 1e 35 00 fb 65 48 8b 1d 99 22 3d 06 <48> 8d bb f0 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffff8880188ffac0 EFLAGS: 00000206
RAX: 00000000000277a5 RBX: ffff88800f3fd280 RCX: ffffffff817c2b86
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81470d76
RBP: ffff8880188ffb00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8643ac57 R11: 0000000000000001 R12: ffff88806cf36ed8
R13: ffff888016ea3700 R14: ffff888016b89b80 R15: ffff88806cf36ec0
__schedule+0xe86/0x3590
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: 0033:0x7f034d5a28e1
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007ffcc2c103d0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f034d5a28e1
RDX: 00007ffcc2c10410 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffcc2c1049c R08: 0000000000000000 R09: 00007f034d66d000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000026352 R14: 0000000000000002 R15: 00007ffcc2c10500
Modules linked in:
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#2] 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: 0 UID: 0 PID: 4024 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
RSP: 0018:ffff88806cf08740 EFLAGS: 00010012
Tainted: [D]=DIE, [W]=WARN
RAX: 0000000000000032 RBX: ffffffffffffffa2 RCX: 0000000000000002
RDX: ffff88800f3fd280 RSI: ffffffff818995b7 RDI: 0000000000000192
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RBP: ffff88806cf089b0 R08: ffff88806cf313e8 R09: ffffe8ffffd16800
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
RIP: 0010:perf_tp_event+0x175/0xe70
R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000
FS: 0000555579a15400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
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
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RSP: 0018:ffff888048887780 EFLAGS: 00010012
CR2: 0000001b2cd23000 CR3: 000000003584c000 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