loop4: detected capacity change from 0 to 2048
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4008 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 4008 Comm: syz-executor.2 Not tainted 6.0.0-rc7-next-20220930 #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 7b 33 f1 ff 65 8b 2d 00 9d ad 7e 31 ff 89 ee e8 1b 30 f1 ff 85 ed 0f 84 ef 00 00 00 e8 5e 33 f1 ff <0f> 0b eb 9f e8 d5 a1 23 00 e9 17 fc ff ff e8 4b 33 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff8880407e9720 RCX: 0000000000000000
RDX: ffff88801df8d040 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff8880407e9940
R13: 0000000000000000 R14: ffff8880407e97c8 R15: ffff8880407e9940
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf52990ff8 CR3: 000000000f3fc000 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:page_remove_rmap+0xfa/0x490
Code: ec 3a 0a 00 f0 83 45 30 ff 0f 98 c3 31 ff 89 de e8 db c4 d7 ff 84 db 0f 85 10 01 00 00 e8 5e c8 d7 ff 48 89 ef e8 36 5f 0c 00 <49> 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
RSP: 0018:ffff88804132f618 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88804132f5a0
RDX: 1ffff11003bf1b35 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffea0000bf5e40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880182889c0 R14: 0000000000000000 R15: ffffea0000bf5e40
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+0x2195/0x22d0
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: 0033:0x7fd43a1c3b19
Code: Unable to access opcode bytes at 0x7fd43a1c3aef.
RSP: 002b:00007fd4376f7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd43a2d70e8 RCX: 00007fd43a1c3b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd43a2d70e8
RBP: 00007fd43a2d70e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd43a2d70ec
R13: 00007fffc805255f R14: 00007fd4376f7300 R15: 0000000000022000
irq event stamp: 288
hardirqs last enabled at (287): [] asm_sysvec_call_function_single+0x16/0x20
hardirqs last disabled at (288): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (278): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (219): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4008 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 4008 Comm: syz-executor.2 Tainted: G W 6.0.0-rc7-next-20220930 #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 08 0e ef ff 65 8b 05 8d 77 ab 7e 31 ff 89 c6 89 04 24 e8 a5 0a ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 e5 0d ef ff <0f> 0b e9 c4 fb ff ff e8 d9 0d ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff88801df8d040 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff8880407e9720 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff8880407e97c8 R15: ffff8880407e9940
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf52990ff8 CR3: 000000000f3fc000 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:page_remove_rmap+0xfa/0x490
Code: ec 3a 0a 00 f0 83 45 30 ff 0f 98 c3 31 ff 89 de e8 db c4 d7 ff 84 db 0f 85 10 01 00 00 e8 5e c8 d7 ff 48 89 ef e8 36 5f 0c 00 <49> 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
RSP: 0018:ffff88804132f618 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88804132f5a0
RDX: 1ffff11003bf1b35 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffea0000bf5e40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880182889c0 R14: 0000000000000000 R15: ffffea0000bf5e40
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+0x2195/0x22d0
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: 0033:0x7fd43a1c3b19
Code: Unable to access opcode bytes at 0x7fd43a1c3aef.
RSP: 002b:00007fd4376f7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd43a2d70e8 RCX: 00007fd43a1c3b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd43a2d70e8
RBP: 00007fd43a2d70e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd43a2d70ec
R13: 00007fffc805255f R14: 00007fd4376f7300 R15: 0000000000022000
irq event stamp: 288
hardirqs last enabled at (287): [] asm_sysvec_call_function_single+0x16/0x20
hardirqs last disabled at (288): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (278): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (219): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1664705000.822:9): avc: denied { write } for pid=3996 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir654405800/syzkaller.QiDQfc/1/file0 supports timestamps until 2038 (0x7fffffff)
Process accounting resumed
EXT4-fs (loop4): unmounting filesystem.
loop3: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 2048
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir654405800/syzkaller.QiDQfc/2/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop4): unmounting filesystem.
Quota error (device loop3): v2_read_file_info: Free block number too big (0 >= 0).
EXT4-fs warning (device loop3): ext4_enable_quotas:6948: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
EXT4-fs (loop3): mount failed
Process accounting resumed
loop3: detected capacity change from 0 to 4096
Quota error (device loop3): v2_read_file_info: Free block number too big (0 >= 0).
EXT4-fs warning (device loop3): ext4_enable_quotas:6948: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
EXT4-fs (loop3): mount failed
----------------
Code disassembly (best guess):
0: ec in (%dx),%al
1: 3a 0a cmp (%rdx),%cl
3: 00 f0 add %dh,%al
5: 83 45 30 ff addl $0xffffffff,0x30(%rbp)
9: 0f 98 c3 sets %bl
c: 31 ff xor %edi,%edi
e: 89 de mov %ebx,%esi
10: e8 db c4 d7 ff callq 0xffd7c4f0
15: 84 db test %bl,%bl
17: 0f 85 10 01 00 00 jne 0x12d
1d: e8 5e c8 d7 ff callq 0xffd7c880
22: 48 89 ef mov %rbp,%rdi
25: e8 36 5f 0c 00 callq 0xc5f60
* 2a: 49 8d 7d 20 lea 0x20(%r13),%rdi <-- trapping instruction
2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
35: fc ff df
38: 48 89 fa mov %rdi,%rdx
3b: 48 c1 ea 03 shr $0x3,%rdx
3f: 80 .byte 0x80