EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 0 UID: 0 PID: 4099 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:ffff88801cd27800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880178b8000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88801cd27a70 R08: ffff88806ce31340 R09: ffffe8ffffc15dc8
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555575186400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555575187c18 CR3: 000000000ed0a000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d7bc7cb19
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:00007ffd25ccfe28 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d7bc7cb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d7bd8ff68
RBP: 00007f0d7bd8ff60 R08: 00007f0d791f2700 R09: 0000000000000000
R10: 00007f0d791f2700 R11: 0000000000000246 R12: 00007f0d7bd94a68
R13: 00007ffd25ccff30 R14: 00007f0d7bd8ff60 R15: 000000000001f05f
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:ffff88801cd27800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880178b8000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88801cd27a70 R08: ffff88806ce31340 R09: ffffe8ffffc15dc8
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 0000555575186400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555575187c18 CR3: 000000000ed0a000 CR4: 0000000000350ef0
note: syz-executor.4[4099] exited with preempt_count 1
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4099, name: syz-executor.4
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 4099 Comm: syz-executor.4 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+0xfa/0x120
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0d7bc7cb19
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:00007ffd25ccfe28 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d7bc7cb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d7bd8ff68
RBP: 00007f0d7bd8ff60 R08: 00007f0d791f2700 R09: 0000000000000000
R10: 00007f0d791f2700 R11: 0000000000000246 R12: 00007f0d7bd94a68
R13: 00007ffd25ccff30 R14: 00007f0d7bd8ff60 R15: 000000000001f05f
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: 4104 Comm: syz-executor.4 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:ffff888044a17800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90007839000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff888044a17a70 R08: ffff88806ce31340 R09: ffffe8ffffc15dc8
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f0d791f2700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04c6a3e000 CR3: 000000000ed0a000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d7bc7cb19
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:00007f0d791f2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f0d7bd8ff68 RCX: 00007f0d7bc7cb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d7bd8ff6c
RBP: 00007f0d7bd8ff60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0d7bd8ff6c
R13: 00007ffd25ccfdaf R14: 00007f0d791f2300 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:ffff88801cd27800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff8880178b8000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88801cd27a70 R08: ffff88806ce31340 R09: ffffe8ffffc15dc8
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007f0d791f2700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04c6a3e000 CR3: 000000000ed0a000 CR4: 0000000000350ef0
note: syz-executor.4[4104] exited with preempt_count 1
kmemleak: Found object by alias at 0x607f1a63ddcc
CPU: 0 UID: 0 PID: 4104 Comm: syz-executor.4 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
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0d7bc7cb19
Code: Unable to access opcode bytes at 0x7f0d7bc7caef.
RSP: 002b:00007f0d791f2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f0d7bd8ff68 RCX: 00007f0d7bc7cb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d7bd8ff6c
RBP: 00007f0d7bd8ff60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0d7bd8ff6c
R13: 00007ffd25ccfdaf R14: 00007f0d791f2300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a63ddc8 (size 8):
kmemleak: comm "syz-executor.1", pid 4102, jiffies 4294794108
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
------------[ cut here ]------------
Voluntary context switch within RCU read-side critical section!
WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0xa96/0x1b00, CPU#0: syz-executor.4/4104
Modules linked in:
CPU: 0 UID: 0 PID: 4104 Comm: syz-executor.4 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:rcu_note_context_switch+0xa96/0x1b00
Code: 00 00 00 65 48 8b 3d 41 dc 27 06 e8 84 11 fd ff e9 1a f8 ff ff c6 05 2e 4a e4 04 01 90 48 c7 c7 a0 8a c9 84 e8 0b 39 dd ff 90 <0f> 0b 90 90 e9 3a f6 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea
RSP: 0018:ffff888044a17900 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88806ce37d00 RCX: ffffffff8139de70
RDX: ffff8880178bd280 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880178bd280
R13: 0000000000000000 R14: ffff8880178bd280 R15: ffffffff84bd30d5
FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04c692cca0 CR3: 000000000e65e000 CR4: 0000000000350ef0
Call Trace:
__schedule+0x217/0x3590
schedule+0xdb/0x390
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0x813/0x1020
perf_trace_destroy+0x27/0x1c0
__free_event+0x255/0xc20
perf_event_release_kernel+0x3ef/0x540
perf_release+0x31/0x40
__fput+0x401/0xb50
task_work_run+0x172/0x280
do_exit+0x846/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0d7bc7cb19
Code: Unable to access opcode bytes at 0x7f0d7bc7caef.
RSP: 002b:00007f0d791f2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f0d7bd8ff68 RCX: 00007f0d7bc7cb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d7bd8ff6c
RBP: 00007f0d7bd8ff60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0d7bd8ff6c
R13: 00007ffd25ccfdaf R14: 00007f0d791f2300 R15: 0000000000022000
irq event stamp: 0
hardirqs last enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [] copy_process+0x1e08/0x73c0
softirqs last enabled at (0): [] copy_process+0x1e58/0x73c0
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
----------------
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