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: 4008 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #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:ffff8880452c7780 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90006c37000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000000000191
RBP: ffff8880452c79f0 R08: ffff88806ce31340 R09: ffffe8ffffc16270
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007fde1d70b700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 0000000043e2c000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_preemptirq_template+0x259/0x430
trace_irq_disable.constprop.0+0xa6/0x100
_raw_spin_lock_irqsave+0x53/0x60
try_to_wake_up+0xa0/0x11d0
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: 0033:0x7fde20195b19
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:00007fde1d70b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fde202a8f68 RCX: 00007fde20195b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fde202a8f6c
RBP: 00007fde202a8f60 R08: 000000000000000e R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fde202a8f6c
R13: 00007ffc24e9e5ff R14: 00007fde1d70b300 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:ffff8880452c7780 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90006c37000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000000000191
RBP: ffff8880452c79f0 R08: ffff88806ce31340 R09: ffffe8ffffc16270
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007fde1d70b700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 0000000043e2c000 CR4: 0000000000350ef0
note: syz-executor.4[4008] exited with irqs disabled
note: syz-executor.4[4008] exited with preempt_count 2
loop0: detected capacity change from 0 to 6
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
loop0: detected capacity change from 0 to 6
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
loop0: detected capacity change from 0 to 6
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
kmemleak: Found object by alias at 0x607f1a63e274
CPU: 1 UID: 0 PID: 4072 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
__x64_sys_exit_group+0x3e/0x50
x64_sys_call+0x18c5/0x18d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f008e61db19
Code: Unable to access opcode bytes at 0x7f008e61daef.
RSP: 002b:00007fff5ab6d798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f008e61db19
RDX: 00007f008e5d072b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2d722358 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff5ab6d880
kmemleak: Object (percpu) 0x607f1a63e270 (size 8):
kmemleak: comm "syz-executor.1", pid 4084, jiffies 4294789012
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
perf_trace_event_init+0x366/0xa10
perf_trace_init+0x1a4/0x2f0
perf_tp_event_init+0xa6/0x120
perf_try_init_event+0x140/0x9f0
perf_event_alloc.part.0+0x118e/0x45f0
__do_sys_perf_event_open+0x719/0x2c20
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
loop4: detected capacity change from 0 to 6
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.0/290
Modules linked in:
CPU: 0 UID: 0 PID: 290 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #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:mntput_no_expire+0x78e/0xbe0
Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42
RSP: 0018:ffff88801705fce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002e0bfa1 RCX: ffffffff81bfaf93
RDX: ffff888017185280 RSI: ffffffff81bfaf9d RDI: 0000000000000005
RBP: ffff8880174e5c00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: ffff88801730ff10 R12: ffff88801705fd48
R13: 00000000ffffffff R14: ffff8880174e5c00 R15: ffff8880174e5ce8
FS: 00005555944ee400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555944f7c58 CR3: 0000000035e2e000 CR4: 0000000000350ef0
Call Trace:
path_umount+0x6e0/0x1100
__x64_sys_umount+0x15c/0x190
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3b1e4ccf87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffde49aca18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3b1e4ccf87
RDX: 00007ffde49acaea RSI: 000000000000000a RDI: 00007ffde49acae0
RBP: 00007ffde49acae0 R08: 00000000ffffffff R09: 00007ffde49ac8b0
R10: 00005555944efc7b R11: 0000000000000246 R12: 00007f3b1e525105
R13: 00007ffde49adba0 R14: 00005555944efc20 R15: 00007ffde49adbe0
irq event stamp: 182894
hardirqs last enabled at (182893): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (182894): [] __schedule+0x16dd/0x3590
softirqs last enabled at (182788): [] fpu_clone+0x16e/0x740
softirqs last disabled at (182786): [] fpu_clone+0xfa/0x740
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 6
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
FAT-fs (loop0): Directory bread(block 8) failed
FAT-fs (loop0): Directory bread(block 9) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 7) failed
loop4: detected capacity change from 0 to 6
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
kmemleak: Found object by alias at 0x607f1a63e274
CPU: 1 UID: 0 PID: 4107 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
__x64_sys_exit_group+0x3e/0x50
x64_sys_call+0x18c5/0x18d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f008e61db19
Code: Unable to access opcode bytes at 0x7f008e61daef.
RSP: 002b:00007fff5ab6d798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f008e61db19
RDX: 00007f008e5d072b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007fff5ab6d880
kmemleak: Object (percpu) 0x607f1a63e270 (size 8):
kmemleak: comm "syz-executor.7", pid 4119, jiffies 4294789323
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
perf_trace_event_init+0x366/0xa10
perf_trace_init+0x1a4/0x2f0
perf_tp_event_init+0xa6/0x120
perf_try_init_event+0x140/0x9f0
perf_event_alloc.part.0+0x118e/0x45f0
__do_sys_perf_event_open+0x719/0x2c20
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
loop4: detected capacity change from 0 to 6
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
FAT-fs (loop4): Directory bread(block 8) failed
FAT-fs (loop4): Directory bread(block 9) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 7) failed
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 0 UID: 0 PID: 4172 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #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:ffff888045277780 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc9000180d000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff8880452779f0 R08: ffff88806ce31340 R09: ffffe8ffffc16270
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f008bb93700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f008e731018 CR3: 000000000bda1000 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: 0033:0x7f008e61db19
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:00007f008bb93218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f008e730f68 RCX: 00007f008e61db19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f008e730f6c
RBP: 00007f008e730f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f008e730f6c
R13: 00007fff5ab6d56f R14: 00007f008bb93300 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:ffff8880452c7780 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90006c37000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000000000191
RBP: ffff8880452c79f0 R08: ffff88806ce31340 R09: ffffe8ffffc16270
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f008bb93700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f008e731018 CR3: 000000000bda1000 CR4: 0000000000350ef0
note: syz-executor.2[4172] exited with irqs disabled
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#3] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 0 UID: 0 PID: 4172 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #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:ffff88806ce08b80 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff888044143700 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88806ce08df0 R08: ffff88806ce313e8 R09: ffffe8ffffc16270
R10: 0000000000000000 R11: ffff88800ce97098 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806ce313e8 R15: dffffc0000000000
FS: 00007f008bb93700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f008e731018 CR3: 000000000bda1000 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 09 a6 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 57 a1 38 00 48 85 db 0f 84 17 01 00 00 e9 a5 38 00 31 ff 65 8b 1d 60 2f 49 06 81 e3 ff ff ff 7f 89 de
RSP: 0018:ffff888045277f28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888044143700 RCX: ffffffff817c3ab6
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234
RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8643b457 R11: 0000000000000001 R12: ffff888044143700
R13: 0000000000000000 R14: dffffc0020000032 R15: 0000000000000000
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f008e61db19
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:00007f008bb93218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f008e730f68 RCX: 00007f008e61db19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f008e730f6c
RBP: 00007f008e730f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f008e730f6c
R13: 00007fff5ab6d56f R14: 00007f008bb93300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#4] 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: 1 UID: 0 PID: 4160 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
RSP: 0018:ffff8880452c7780 EFLAGS: 00010012
Tainted: [D]=DIE, [W]=WARN
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90006c37000
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000000000191
RIP: 0010:perf_tp_event+0x175/0xe70
RBP: ffff8880452c79f0 R08: ffff88806ce31340 R09: ffffe8ffffc16270
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
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
RSP: 0018:ffff8880421cf780 EFLAGS: 00010012
R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
FS: 00007f008bb93700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
RDX: ffff888016058000 RSI: ffffffff8189a4e7 RDI: 0000000000000191
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RBP: ffff8880421cf9f0 R08: ffff88806cf31340 R09: ffffe8ffffd16270
CR2: 00007f008e731018 CR3: 000000000bda1000 CR4: 0000000000350ef0
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
----------------
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