sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 3, async page read
BUG: unable to handle page fault for address: ffffed10212c9426
#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
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
CPU: 0 UID: 0 PID: 3941 Comm: syz-executor.4 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
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:ffff888018ce7800 EFLAGS: 00010212
RAX: 1ffff110212c9426 RBX: ffff888109649f40 RCX: ffffc90009202000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810964a130
RBP: ffff888018ce7a70 R08: ffff88806ce31340 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f4b47f4d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c9426 CR3: 000000000e827000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock_acquire+0x3c2/0x700
Buffer I/O error on dev sr0, logical block 4, async page read
lock_acquire+0xc5/0x2f0
_raw_spin_lock+0x2b/0x40
futex_wake+0x228/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b4a9d7b19
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:00007f4b47f4d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f4b4aaeaf68 RCX: 00007f4b4a9d7b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4b4aaeaf6c
RBP: 00007f4b4aaeaf60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f4b4aaeaf6c
R13: 00007ffe2d05267f R14: 00007f4b47f4d300 R15: 0000000000022000
Modules linked in:
CR2: ffffed10212c9426
---[ 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:ffff888018ce7800 EFLAGS: 00010212
RAX: 1ffff110212c9426 RBX: ffff888109649f40 RCX: ffffc90009202000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810964a130
RBP: ffff888018ce7a70 R08: ffff88806ce31340 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f4b47f4d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10212c9426 CR3: 000000000e827000 CR4: 0000000000350ef0
note: syz-executor.4[3941] exited with irqs disabled
note: syz-executor.4[3941] exited with preempt_count 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 5, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 6, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 7, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, async page read
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 0 UID: 0 PID: 60 Comm: kworker/0:2 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
Workqueue: mld mld_dad_work
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:ffff88800a62f040 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff88800afe9b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88800a62f2b0 R08: ffff88806ce31340 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
Buffer I/O error on dev sr0, logical block 1, async page read
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeee950fd8 CR3: 000000003fe86000 CR4: 0000000000350ef0
Call Trace:
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
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock_acquire+0x3c2/0x700
lock_acquire+0xc5/0x2f0
unwind_next_frame+0xcd/0x2540
__unwind_start+0x517/0x7c0
arch_stack_walk+0x62/0xf0
stack_trace_save+0x8e/0xc0
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
kasan_save_stack+0x24/0x50
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
kasan_save_track+0x14/0x30
__kasan_slab_alloc+0x59/0x70
kmem_cache_alloc_noprof+0x205/0x690
__alloc_object+0x2b/0x2c0
__create_object+0x1d/0x80
__kmalloc_cache_noprof+0x42a/0x690
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
dst_cow_metrics_generic+0x4c/0x1e0
icmp6_dst_alloc+0x4a7/0x650
mld_sendpack+0x50a/0x11b0
mld_send_initial_cr+0x21b/0x320
mld_dad_work+0x32/0x1e0
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x34b/0x430
ret_from_fork_asm+0x1a/0x30
Modules linked in:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 0 UID: 0 PID: 60 Comm: kworker/0:2 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
Workqueue: mld mld_dad_work
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:ffff88806ce08a40 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff88800afe9b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88806ce08cb0 R08: ffff88806ce31490 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeee950fd8 CR3: 000000003fe86000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock_acquire+0x3c2/0x700
lock_acquire+0xc5/0x2f0
_raw_spin_lock_nested+0x29/0x40
sched_ttwu_pending+0xa1/0x4a0
__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:oops_exit+0x0/0x50
Code: f1 39 00 be ff ff ff ff 48 c7 c7 50 ac 43 86 e8 c6 0f f9 ff 5b e9 20 f1 39 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 06 f1 39 00 8b 1d c0 ed 4e 06 31 ff 89 de e8 27
RSP: 0018:ffff88800a62eed0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000293 RCX: ffffffff8139f06f
RDX: ffff88800afe9b80 RSI: ffffffff812a3dca RDI: 0000000000000007
RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f11c90
R10: 0000000000000000 R11: 000000000000002c R12: ffff88800a62ef98
R13: 0000000000000000 R14: dffffc0000000032 R15: 0000000000000000
oops_end+0x65/0xe0
exc_general_protection+0x1a2/0x330
asm_exc_general_protection+0x26/0x30
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:ffff88800a62f040 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff88800afe9b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88800a62f2b0 R08: ffff88806ce31340 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock_acquire+0x3c2/0x700
lock_acquire+0xc5/0x2f0
unwind_next_frame+0xcd/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
__kmalloc_cache_noprof+0x42a/0x690
dst_cow_metrics_generic+0x4c/0x1e0
icmp6_dst_alloc+0x4a7/0x650
mld_sendpack+0x50a/0x11b0
mld_send_initial_cr+0x21b/0x320
mld_dad_work+0x32/0x1e0
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x34b/0x430
ret_from_fork_asm+0x1a/0x30
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:ffff888018ce7800 EFLAGS: 00010212
RAX: 1ffff110212c9426 RBX: ffff888109649f40 RCX: ffffc90009202000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff88810964a130
RBP: ffff888018ce7a70 R08: ffff88806ce31340 R09: ffffe8ffffc16868
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeee950fd8 CR3: 000000003fe86000 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