------------[ cut here ]------------
WARNING: CPU: 0 PID: 16263 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 16263 Comm: syz-executor.5 Not tainted 6.0.0-rc5-next-20220916 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:event_filter_match+0x422/0x660
Code: 00 00 00 e9 7c fc ff ff e8 4b 15 f1 ff 65 8b 2d c0 73 ad 7e 31 ff 89 ee e8 eb 11 f1 ff 85 ed 0f 84 ef 00 00 00 e8 2e 15 f1 ff <0f> 0b eb 9f e8 05 92 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff888037258000 RCX: 0000000000000000
RDX: ffff8880174db580 RSI: ffffffff81550212 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888037258220
R13: 0000000000000000 R14: ffff8880372580a8 R15: ffff888037258220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db21000 CR3: 0000000005226000 CR4: 0000000000350ef0
Call Trace:
merge_sched_in+0x107/0x1110
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__rcu_read_lock+0x0/0xf0
Code: 47 00 e9 fc fe ff ff e8 1e 52 47 00 e9 4d ff ff ff e8 94 52 47 00 e9 66 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> b8 00 00 00 00 00 fc ff df 55 53 65 48 8b 1c 25 c0 6e 02 00 48
RSP: 0018:ffff888038ca75b8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffffd4000188bf1 RSI: ffffffff816e5136 RDI: ffffea0000c45f80
RBP: ffff888038ca7608 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800e6da340 R14: dffffc0000000000 R15: ffffea0000c45f80
folio_memcg_lock+0x1a/0x4a0
page_remove_rmap+0x1e/0x490
unmap_page_range+0x1c26/0x2a10
unmap_single_vma+0x190/0x380
unmap_vmas+0x21e/0x370
exit_mmap+0x154/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
get_signal+0x219a/0x22d0
arch_do_signal_or_restart+0x89/0x1be0
exit_to_user_mode_prepare+0x131/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4e75850b19
Code: Unable to access opcode bytes at RIP 0x7f4e75850aef.
RSP: 002b:00007f4e72dc6218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f4e75963f68 RCX: 00007f4e75850b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4e75963f68
RBP: 00007f4e75963f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4e75963f6c
R13: 00007ffe5dd5d94f R14: 00007f4e72dc6300 R15: 0000000000022000
irq event stamp: 120
hardirqs last enabled at (119): [] asm_sysvec_call_function_single+0x16/0x20
hardirqs last disabled at (120): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 16263 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 16263 Comm: syz-executor.5 Tainted: G W 6.0.0-rc5-next-20220916 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:merge_sched_in+0xadb/0x1110
Code: ff ff e8 78 16 ef ff 65 8b 05 ed 74 ab 7e 31 ff 89 c6 89 04 24 e8 15 13 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 55 16 ef ff <0f> 0b e9 c4 fb ff ff e8 49 16 ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3ef00 RCX: 0000000000000000
RDX: ffff8880174db580 RSI: ffffffff815700eb RDI: 0000000000000005
RBP: ffff888037258000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88806ce3ef00
R13: 0000000000000001 R14: ffff8880372580a8 R15: ffff888037258220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db21000 CR3: 0000000005226000 CR4: 0000000000350ef0
Call Trace:
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__rcu_read_lock+0x0/0xf0
Code: 47 00 e9 fc fe ff ff e8 1e 52 47 00 e9 4d ff ff ff e8 94 52 47 00 e9 66 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> b8 00 00 00 00 00 fc ff df 55 53 65 48 8b 1c 25 c0 6e 02 00 48
RSP: 0018:ffff888038ca75b8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffffd4000188bf1 RSI: ffffffff816e5136 RDI: ffffea0000c45f80
RBP: ffff888038ca7608 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800e6da340 R14: dffffc0000000000 R15: ffffea0000c45f80
folio_memcg_lock+0x1a/0x4a0
page_remove_rmap+0x1e/0x490
unmap_page_range+0x1c26/0x2a10
unmap_single_vma+0x190/0x380
unmap_vmas+0x21e/0x370
exit_mmap+0x154/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
get_signal+0x219a/0x22d0
arch_do_signal_or_restart+0x89/0x1be0
exit_to_user_mode_prepare+0x131/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4e75850b19
Code: Unable to access opcode bytes at RIP 0x7f4e75850aef.
RSP: 002b:00007f4e72dc6218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f4e75963f68 RCX: 00007f4e75850b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4e75963f68
RBP: 00007f4e75963f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4e75963f6c
R13: 00007ffe5dd5d94f R14: 00007f4e72dc6300 R15: 0000000000022000
irq event stamp: 120
hardirqs last enabled at (119): [] asm_sysvec_call_function_single+0x16/0x20
hardirqs last disabled at (120): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 16279 Comm: syz-executor.2 Tainted: G W 6.0.0-rc5-next-20220916 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
strncpy_from_user+0x34/0x3e0
getname_flags.part.0+0x95/0x4f0
getname+0x8e/0xd0
do_sys_openat2+0xf9/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb61ac32b19
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:00007fb6181a8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb61ad45f60 RCX: 00007fb61ac32b19
RDX: 0000000000000000 RSI: 0000000020002040 RDI: 0000000000000003
RBP: 00007fb6181a81d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcb21a13ff R14: 00007fb6181a8300 R15: 0000000000022000
----------------
Code disassembly (best guess), 2 bytes skipped:
0: e9 fc fe ff ff jmpq 0xffffff01
5: e8 1e 52 47 00 callq 0x475228
a: e9 4d ff ff ff jmpq 0xffffff5c
f: e8 94 52 47 00 callq 0x4752a8
14: e9 66 ff ff ff jmpq 0xffffff7f
19: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
20: 00 00 00 00
24: 0f 1f 40 00 nopl 0x0(%rax)
* 28: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction
2f: fc ff df
32: 55 push %rbp
33: 53 push %rbx
34: 65 48 8b 1c 25 c0 6e mov %gs:0x26ec0,%rbx
3b: 02 00
3d: 48 rex.W