loop4: detected capacity change from 0 to 4
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7300 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 7300 Comm: syz-executor.3 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: 0000000080010001 RBX: ffff8880381d56b8 RCX: 0000000000000000
RDX: ffff88801aa6d040 RSI: ffffffff81550212 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff8880381d58d8
R13: 0000000000000000 R14: ffff8880381d5760 R15: ffff8880381d58d8
FS: 00007fd6ab85d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f248adec000 CR3: 000000000f21a000 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:kmem_cache_alloc+0x135/0x3e0
Code: 05 b2 ff 45 31 ed e9 d1 00 00 00 31 ed 4d 85 e4 74 f1 48 c7 04 24 00 00 00 00 49 8b 0c 24 65 48 03 0d 7f e7 89 7e 48 8b 51 08 <48> 8b 01 48 83 79 10 00 48 89 04 24 0f 84 97 01 00 00 48 85 c0 0f
RSP: 0018:ffff88803908f998 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88806ce3f1b0
RDX: 00000000000f5540 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88802b245500 R08: 0000000000000001 R09: ffffffff86ccb867
R10: fffffbfff0d9970c R11: 0000000000000001 R12: ffff888008480780
R13: ffffffff818d8560 R14: 0000000000408d40 R15: 0000000000408d40
alloc_buffer_head+0x20/0x150
alloc_page_buffers+0x29e/0x680
__getblk_slow+0x3e7/0xbf0
__bread_gfp+0x22c/0x330
isofs_fill_super+0xb5c/0x2a30
mount_bdev+0x335/0x400
legacy_get_tree+0x105/0x220
vfs_get_tree+0x8e/0x300
path_mount+0x1310/0x1e20
__x64_sys_mount+0x282/0x300
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd6ae2e904a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007fd6ab85cfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000f80 RCX: 00007fd6ae2e904a
RDX: 0000000020000ac0 RSI: 0000000020000b00 RDI: 00007fd6ab85d000
RBP: 00007fd6ab85d040 R08: 00007fd6ab85d040 R09: 0000000020000ac0
R10: 0000000000000001 R11: 0000000000000206 R12: 0000000020000ac0
R13: 0000000020000b00 R14: 00007fd6ab85d000 R15: 0000000020001040
irq event stamp: 2368
hardirqs last enabled at (2367): [] obj_cgroup_charge+0x24d/0x870
hardirqs last disabled at (2368): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (2092): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (2083): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7300 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 7300 Comm: syz-executor.3 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: 0000000080010001 RBX: ffff88806ce3ef00 RCX: 0000000000000000
RDX: ffff88801aa6d040 RSI: ffffffff815700eb RDI: 0000000000000005
RBP: ffff8880381d56b8 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88806ce3ef00
R13: 0000000000000001 R14: ffff8880381d5760 R15: ffff8880381d58d8
FS: 00007fd6ab85d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f248adec000 CR3: 000000000f21a000 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:kmem_cache_alloc+0x135/0x3e0
Code: 05 b2 ff 45 31 ed e9 d1 00 00 00 31 ed 4d 85 e4 74 f1 48 c7 04 24 00 00 00 00 49 8b 0c 24 65 48 03 0d 7f e7 89 7e 48 8b 51 08 <48> 8b 01 48 83 79 10 00 48 89 04 24 0f 84 97 01 00 00 48 85 c0 0f
RSP: 0018:ffff88803908f998 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88806ce3f1b0
RDX: 00000000000f5540 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88802b245500 R08: 0000000000000001 R09: ffffffff86ccb867
R10: fffffbfff0d9970c R11: 0000000000000001 R12: ffff888008480780
R13: ffffffff818d8560 R14: 0000000000408d40 R15: 0000000000408d40
alloc_buffer_head+0x20/0x150
alloc_page_buffers+0x29e/0x680
__getblk_slow+0x3e7/0xbf0
__bread_gfp+0x22c/0x330
isofs_fill_super+0xb5c/0x2a30
mount_bdev+0x335/0x400
legacy_get_tree+0x105/0x220
vfs_get_tree+0x8e/0x300
path_mount+0x1310/0x1e20
__x64_sys_mount+0x282/0x300
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd6ae2e904a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007fd6ab85cfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000f80 RCX: 00007fd6ae2e904a
RDX: 0000000020000ac0 RSI: 0000000020000b00 RDI: 00007fd6ab85d000
RBP: 00007fd6ab85d040 R08: 00007fd6ab85d040 R09: 0000000020000ac0
R10: 0000000000000001 R11: 0000000000000206 R12: 0000000020000ac0
R13: 0000000020000b00 R14: 00007fd6ab85d000 R15: 0000000020001040
irq event stamp: 2368
hardirqs last enabled at (2367): [] obj_cgroup_charge+0x24d/0x870
hardirqs last disabled at (2368): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (2092): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (2083): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=7308 comm=syz-executor.4
ISOFS: Unable to identify CD-ROM format.
ISOFS: Unable to identify CD-ROM format.
ISOFS: Unable to identify CD-ROM format.
loop4: detected capacity change from 0 to 4
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=7317 comm=syz-executor.4
ISOFS: Unable to identify CD-ROM format.
loop4: detected capacity change from 0 to 4
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=7329 comm=syz-executor.4
ISOFS: Unable to identify CD-ROM format.
ISOFS: Unable to identify CD-ROM format.
ISOFS: Unable to identify CD-ROM format.
ISOFS: Unable to identify CD-ROM format.
----------------
Code disassembly (best guess):
0: 05 b2 ff 45 31 add $0x3145ffb2,%eax
5: ed in (%dx),%eax
6: e9 d1 00 00 00 jmpq 0xdc
b: 31 ed xor %ebp,%ebp
d: 4d 85 e4 test %r12,%r12
10: 74 f1 je 0x3
12: 48 c7 04 24 00 00 00 movq $0x0,(%rsp)
19: 00
1a: 49 8b 0c 24 mov (%r12),%rcx
1e: 65 48 03 0d 7f e7 89 add %gs:0x7e89e77f(%rip),%rcx # 0x7e89e7a5
25: 7e
26: 48 8b 51 08 mov 0x8(%rcx),%rdx
* 2a: 48 8b 01 mov (%rcx),%rax <-- trapping instruction
2d: 48 83 79 10 00 cmpq $0x0,0x10(%rcx)
32: 48 89 04 24 mov %rax,(%rsp)
36: 0f 84 97 01 00 00 je 0x1d3
3c: 48 85 c0 test %rax,%rax
3f: 0f .byte 0xf