audit: type=1400 audit(1663937022.220:8): avc: denied { kernel } for pid=4175 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4176 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 4176 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220923 #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 1b 1e f1 ff 65 8b 2d e0 88 ad 7e 31 ff 89 ee e8 bb 1a f1 ff 85 ed 0f 84 ef 00 00 00 e8 fe 1d f1 ff <0f> 0b eb 9f e8 c5 80 23 00 e9 17 fc ff ff e8 eb 1d f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88803fd00000 RCX: 0000000000000000
RDX: ffff888035fed040 RSI: ffffffff8154ecf2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88803fd00220
R13: 0000000000000000 R14: ffff88803fd000a8 R15: ffff88803fd00220
FS: 00007f946d318700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d824000 CR3: 000000003f86a000 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:lock_acquire+0x459/0x530
Code: bd 4a d8 7e 48 c7 c0 80 13 ae 85 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 97 00 00 00 48 8b 05 97 ef 83 04 62 8b 06 00 85 c0 74 17 65 ff 0d 87 4a d8 7e 0f 85 53 fc ff ff
RSP: 0018:ffff888040b1f3f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff11008163e81 RCX: ffffffff812a203f
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff85b04690
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff85b04697
R10: fffffbfff0b608d2 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff854073e0 R15: 0000000000000000
__is_insn_slot_addr+0x3d/0x250
kernel_text_address+0x44/0xb0
__kernel_text_address+0x9/0x40
unwind_get_return_address+0x55/0xa0
arch_stack_walk+0x99/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_slab_alloc+0x58/0x70
kmem_cache_alloc+0x1b1/0x3e0
__create_object+0x3d/0xc10
kmem_cache_alloc_node+0x246/0x3e0
__alloc_skb+0x210/0x300
netlink_sendmsg+0x99e/0xe10
sock_sendmsg+0x154/0x190
____sys_sendmsg+0x744/0x930
___sys_sendmsg+0x110/0x1b0
__sys_sendmsg+0xf3/0x1c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f946fda2b19
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:00007f946d318188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f946feb5f60 RCX: 00007f946fda2b19
RDX: 0000000000000000 RSI: 0000000020001d80 RDI: 0000000000000003
RBP: 00007f946fdfcf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff6669460f R14: 00007f946d318300 R15: 0000000000022000
irq event stamp: 434
hardirqs last enabled at (433): [] __local_bh_enable_ip+0xa0/0x130
hardirqs last disabled at (434): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (432): [] netlink_insert+0x187/0x1700
softirqs last disabled at (430): [] release_sock+0x1b/0x1b0
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4176 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 4176 Comm: syz-executor.0 Tainted: G W 6.0.0-rc6-next-20220923 #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 c8 1a ef ff 65 8b 05 8d 85 ab 7e 31 ff 89 c6 89 04 24 e8 65 17 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 a5 1a ef ff <0f> 0b e9 c4 fb ff ff e8 99 1a ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3d140 RCX: 0000000000000000
RDX: ffff888035fed040 RSI: ffffffff8156f04b RDI: 0000000000000005
RBP: ffff88803fd00000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88806ce3d140
R13: ffff88806ce00000 R14: ffff88803fd000a8 R15: ffff88803fd00220
FS: 00007f946d318700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d824000 CR3: 000000003f86a000 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:lock_acquire+0x459/0x530
Code: bd 4a d8 7e 48 c7 c0 80 13 ae 85 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 97 00 00 00 48 8b 05 97 ef 83 04 62 8b 06 00 85 c0 74 17 65 ff 0d 87 4a d8 7e 0f 85 53 fc ff ff
RSP: 0018:ffff888040b1f3f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff11008163e81 RCX: ffffffff812a203f
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff85b04690
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff85b04697
R10: fffffbfff0b608d2 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff854073e0 R15: 0000000000000000
__is_insn_slot_addr+0x3d/0x250
kernel_text_address+0x44/0xb0
__kernel_text_address+0x9/0x40
unwind_get_return_address+0x55/0xa0
arch_stack_walk+0x99/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_slab_alloc+0x58/0x70
kmem_cache_alloc+0x1b1/0x3e0
__create_object+0x3d/0xc10
kmem_cache_alloc_node+0x246/0x3e0
__alloc_skb+0x210/0x300
netlink_sendmsg+0x99e/0xe10
sock_sendmsg+0x154/0x190
____sys_sendmsg+0x744/0x930
___sys_sendmsg+0x110/0x1b0
__sys_sendmsg+0xf3/0x1c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f946fda2b19
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:00007f946d318188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f946feb5f60 RCX: 00007f946fda2b19
RDX: 0000000000000000 RSI: 0000000020001d80 RDI: 0000000000000003
RBP: 00007f946fdfcf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff6669460f R14: 00007f946d318300 R15: 0000000000022000
irq event stamp: 434
hardirqs last enabled at (433): [] __local_bh_enable_ip+0xa0/0x130
hardirqs last disabled at (434): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (432): [] netlink_insert+0x187/0x1700
softirqs last disabled at (430): [] release_sock+0x1b/0x1b0
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4212 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0
Modules linked in:
CPU: 0 PID: 4212 Comm: syz-executor.1 Tainted: G W 6.0.0-rc6-next-20220923 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_group_detach+0x99e/0x12f0
Code: 85 d5 f8 ff ff e8 72 5b ee ff 65 44 8b 25 36 c6 aa 7e 31 ff 44 89 e6 e8 10 58 ee ff 45 85 e4 0f 84 0a 05 00 00 e8 52 5b ee ff <0f> 0b e9 a9 f8 ff ff e8 46 5b ee ff 65 8b 1d 0b c6 aa 7e 31 ff 89
RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88803fd00b90 RCX: 0000000000000000
RDX: ffff88803fcb5040 RSI: ffffffff8157af9e RDI: 0000000000000005
RBP: ffff88803fd00b90 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: 0000000000000000
R13: ffff88803fd00c20 R14: ffff88806ce3d140 R15: ffff88803fd00b90
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002002e000 CR3: 000000000d7da000 CR4: 0000000000350ef0
Call Trace:
__perf_remove_from_context+0x71e/0xb20
event_function+0x297/0x3d0
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+0x2a3/0x490
Code: ff 89 c3 89 c6 e8 1d ce d7 ff 85 db 0f 85 af 00 00 00 e8 60 d1 d7 ff 48 8d 7d 30 be 04 00 00 00 e8 12 38 0a 00 f0 83 45 30 ff <0f> 98 c3 31 ff 89 de e8 b1 cd d7 ff 84 db 0f 84 36 fe ff ff e8 34
RSP: 0018:ffff88803fdcf618 EFLAGS: 00000213
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816e399e
RDX: fffff9400017126f RSI: 0000000000000004 RDI: ffffea0000b89370
RBP: ffffea0000b89340 R08: 0000000000000001 R09: ffffea0000b89373
R10: fffff9400017126e R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800ebf25b0 R14: 0000000000000000 R15: ffffea0000b89340
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: 0033:0x7f339f343b19
Code: Unable to access opcode bytes at 0x7f339f343aef.
RSP: 002b:00007f339c8b9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f339f456f68 RCX: 00007f339f343b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f339f456f68
RBP: 00007f339f456f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f339f456f6c
R13: 00007fff9d461a2f R14: 00007f339c8b9300 R15: 0000000000022000
irq event stamp: 744
hardirqs last enabled at (743): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (744): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (742): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (733): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4212 at kernel/events/core.c:2183 perf_group_detach+0x9c7/0x12f0
Modules linked in:
CPU: 0 PID: 4212 Comm: syz-executor.1 Tainted: G W 6.0.0-rc6-next-20220923 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_group_detach+0x9c7/0x12f0
Code: ff 0f 0b e9 a9 f8 ff ff e8 46 5b ee ff 65 8b 1d 0b c6 aa 7e 31 ff 89 de e8 e6 57 ee ff 85 db 0f 84 86 04 00 00 e8 29 5b ee ff <0f> 0b e9 0e fa ff ff e8 1d 5b ee ff 48 8b 7c 24 20 48 81 c7 f8 00
RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046
RAX: 0000000080010002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803fcb5040 RSI: ffffffff8157afc7 RDI: 0000000000000005
RBP: ffff88803fd00b90 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88803fd00b90
R13: ffff88803fd00b90 R14: ffff88806ce3d140 R15: ffff88803fd00b90
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002002e000 CR3: 000000000d7da000 CR4: 0000000000350ef0
Call Trace:
__perf_remove_from_context+0x71e/0xb20
event_function+0x297/0x3d0
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+0x2a3/0x490
Code: ff 89 c3 89 c6 e8 1d ce d7 ff 85 db 0f 85 af 00 00 00 e8 60 d1 d7 ff 48 8d 7d 30 be 04 00 00 00 e8 12 38 0a 00 f0 83 45 30 ff <0f> 98 c3 31 ff 89 de e8 b1 cd d7 ff 84 db 0f 84 36 fe ff ff e8 34
RSP: 0018:ffff88803fdcf618 EFLAGS: 00000213
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816e399e
RDX: fffff9400017126f RSI: 0000000000000004 RDI: ffffea0000b89370
RBP: ffffea0000b89340 R08: 0000000000000001 R09: ffffea0000b89373
R10: fffff9400017126e R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800ebf25b0 R14: 0000000000000000 R15: ffffea0000b89340
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: 0033:0x7f339f343b19
Code: Unable to access opcode bytes at 0x7f339f343aef.
RSP: 002b:00007f339c8b9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f339f456f68 RCX: 00007f339f343b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f339f456f68
RBP: 00007f339f456f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f339f456f6c
R13: 00007fff9d461a2f R14: 00007f339c8b9300 R15: 0000000000022000
irq event stamp: 744
hardirqs last enabled at (743): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (744): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (742): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (733): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4212 at kernel/events/core.c:655 perf_event_update_sibling_time+0xd5/0x4d0
Modules linked in:
CPU: 0 PID: 4212 Comm: syz-executor.1 Tainted: G W 6.0.0-rc6-next-20220923 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_event_update_sibling_time+0xd5/0x4d0
Code: 5e 41 5f e9 3d d9 f0 ff e8 38 d9 f0 ff 65 8b 1d fd 43 ad 7e 31 ff 89 de e8 d8 d5 f0 ff 85 db 0f 84 d3 02 00 00 e8 1b d9 f0 ff <0f> 0b eb 97 e8 12 d9 f0 ff 48 8d 7d 10 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffff88806ce09e58 EFLAGS: 00010046
RAX: 0000000080010002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803fcb5040 RSI: ffffffff815531d5 RDI: 0000000000000005
RBP: ffff88803fd00b90 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: 0000000000000000
R13: ffff88803fd00c38 R14: 0000000000000001 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002002e000 CR3: 000000000d7da000 CR4: 0000000000350ef0
Call Trace:
list_del_event+0x524/0x860
__perf_remove_from_context+0xd2/0xb20
event_function+0x297/0x3d0
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+0x2a3/0x490
Code: ff 89 c3 89 c6 e8 1d ce d7 ff 85 db 0f 85 af 00 00 00 e8 60 d1 d7 ff 48 8d 7d 30 be 04 00 00 00 e8 12 38 0a 00 f0 83 45 30 ff <0f> 98 c3 31 ff 89 de e8 b1 cd d7 ff 84 db 0f 84 36 fe ff ff e8 34
RSP: 0018:ffff88803fdcf618 EFLAGS: 00000213
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816e399e
RDX: fffff9400017126f RSI: 0000000000000004 RDI: ffffea0000b89370
RBP: ffffea0000b89340 R08: 0000000000000001 R09: ffffea0000b89373
R10: fffff9400017126e R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800ebf25b0 R14: 0000000000000000 R15: ffffea0000b89340
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: 0033:0x7f339f343b19
Code: Unable to access opcode bytes at 0x7f339f343aef.
RSP: 002b:00007f339c8b9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f339f456f68 RCX: 00007f339f343b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f339f456f68
RBP: 00007f339f456f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f339f456f6c
R13: 00007fff9d461a2f R14: 00007f339c8b9300 R15: 0000000000022000
irq event stamp: 744
hardirqs last enabled at (743): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (744): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (742): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (733): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 16
EXT4-fs (loop7): fragment/cluster size (65536) != block size (4096)
loop7: detected capacity change from 0 to 16
EXT4-fs (loop7): fragment/cluster size (65536) != block size (4096)
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
loop7: detected capacity change from 0 to 16
EXT4-fs (loop7): fragment/cluster size (65536) != block size (4096)
EXT4-fs (loop0): unmounting filesystem.
loop0: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 16
EXT4-fs (loop7): fragment/cluster size (65536) != block size (4096)
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: bd 4a d8 7e 48 mov $0x487ed84a,%ebp
5: c7 c0 80 13 ae 85 mov $0x85ae1380,%eax
b: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
12: fc ff df
15: 48 c1 e8 03 shr $0x3,%rax
19: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1)
1d: 0f 85 97 00 00 00 jne 0xba
23: 48 8b 05 97 ef 83 04 mov 0x483ef97(%rip),%rax # 0x483efc1
* 2a: e8 62 8b 06 00 callq 0x68b91 <-- trapping instruction
2f: 85 c0 test %eax,%eax
31: 74 17 je 0x4a
33: 65 ff 0d 87 4a d8 7e decl %gs:0x7ed84a87(%rip) # 0x7ed84ac1
3a: 0f 85 53 fc ff ff jne 0xfffffc93