Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 0 UID: 0 PID: 3992 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
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:ffff888009af76c0 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888016435280 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff888009af7930 R08: ffff88806ce31340 R09: ffffe8ffffc16150
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555589a07400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce27000 CR3: 0000000047d55000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_contention_end+0x235/0x3e0
trace_contention_end+0xae/0x110
__mutex_lock+0x166/0x1020
__set_oom_adj.isra.0+0x68/0xf40
oom_score_adj_write+0x1ba/0x200
vfs_write+0x2b7/0x1150
ksys_write+0x121/0x240
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa0ff9c45ff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007ffc12bc91b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa0ff9c45ff
RDX: 0000000000000004 RSI: 00007ffc12bc9200 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffc12bc9150
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa0ffa6bff5
R13: 00007ffc12bc9200 R14: 0000000000000000 R15: 00007ffc12bc97a0
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:ffff888009af76c0 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888016435280 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff888009af7930 R08: ffff88806ce31340 R09: ffffe8ffffc16150
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555589a07400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce27000 CR3: 0000000047d55000 CR4: 0000000000350ef0
note: syz-executor.3[3992] exited with preempt_count 2
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 3991 Comm: syz-executor.4 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_trace_add+0x21b/0x340
Code: 00 0f 85 3a 01 00 00 4c 89 75 00 4d 85 ed 74 2a e8 da b2 f5 ff 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 df 00 00 00 4d 89 75 08 eb 03 45 31 e4 e8 ad b2
RSP: 0018:ffff88801e61ec20 EFLAGS: 00010012
RAX: dffffc0000000000 RBX: ffff888009649f40 RCX: ffffffff817e33ce
RDX: 0000000000000001 RSI: ffffffff817e34a6 RDI: 0000000000000009
RBP: ffffe8ffffc16150 R08: 0000000000000000 R09: ffffed10012c942a
R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: 0000000000000000
R13: 0000000000000001 R14: ffff888009649fa0 R15: ffff888009649fd8
FS: 00007f1cb1773700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce27000 CR3: 000000000caa8000 CR4: 0000000000350ef0
Call Trace:
event_sched_in+0x446/0xb60
merge_sched_in+0xb4d/0x1810
visit_groups_merge.constprop.0.isra.0+0x8d1/0x1150
ctx_sched_in+0x579/0x9b0
perf_event_sched_in+0x5d/0x90
__perf_event_task_sched_in+0x2ec/0x5e0
finish_task_switch.isra.0+0x410/0x840
__schedule+0xe86/0x3590
schedule+0xdb/0x390
io_schedule+0xbf/0x130
folio_wait_bit_common+0x388/0x900
folio_wait_writeback+0x4b/0x90
__filemap_fdatawait_range+0x10f/0x1e0
filemap_write_and_wait_range.part.0+0xd2/0x110
kiocb_invalidate_pages+0xe4/0x180
__iomap_dio_rw+0xf89/0x1cf0
iomap_dio_rw+0x40/0xa0
ext4_file_write_iter+0xe0b/0x1990
iter_file_splice_write+0xa3b/0x11f0
direct_splice_actor+0x192/0x7b0
splice_direct_to_actor+0x347/0x9d0
do_splice_direct+0x179/0x250
do_sendfile+0xa8e/0xdc0
__x64_sys_sendfile64+0x1d3/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1cb41fdb19
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:00007f1cb1773188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f1cb4310f60 RCX: 00007f1cb41fdb19
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f1cb4257f6d R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe49f7c1ff R14: 00007f1cb1773300 R15: 0000000000022000
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:ffff888009af76c0 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888016435280 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff888009af7930 R08: ffff88806ce31340 R09: ffffe8ffffc16150
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f1cb1773700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce27000 CR3: 000000000caa8000 CR4: 0000000000350ef0
note: syz-executor.4[3991] exited with irqs disabled
----------------
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