R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffca2a08df R14: 00007fea1c308300 R15: 0000000000022000
Call Trace:
======================================================
WARNING: possible circular locking dependency detected
5.17.0-rc8-next-20220318 #1 Not tainted
------------------------------------------------------
syz-executor.6/161906 is trying to acquire lock:
ffffffff851f5518 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60
but task is already holding lock:
ffff8880383d2420 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ctx->lock){-...}-{2:2}:
_raw_spin_lock+0x2a/0x40
__perf_event_task_sched_out+0x519/0x1950
__schedule+0xebf/0x21a0
schedule+0xd2/0x1f0
futex_wait_queue+0x144/0x3b0
futex_wait+0x2c9/0x660
do_futex+0x2fb/0x380
__x64_sys_futex+0x1c6/0x4c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #2 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x30/0x40
raw_spin_rq_lock_nested+0x1e/0x30
task_fork_fair+0x63/0x4d0
sched_cgroup_fork+0x343/0x490
copy_process+0x4272/0x6d10
kernel_clone+0xe7/0xa60
kernel_thread+0xb5/0xf0
rest_init+0x24/0x3d0
start_kernel+0x489/0x4aa
secondary_startup_64_no_verify+0xd5/0xdb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
_raw_spin_lock_irqsave+0x39/0x50
try_to_wake_up+0xa5/0x1060
up+0x75/0xb0
__up_console_sem+0x6e/0x80
console_unlock+0x603/0xd40
vprintk_emit+0x1b4/0x550
vprintk+0x80/0x90
_printk+0xba/0xed
regdb_fw_cb.cold+0x6c/0xa7
request_firmware_work_func+0x12e/0x230
process_one_work+0xa1c/0x16a0
worker_thread+0x637/0x1250
kthread+0x2f0/0x3a0
ret_from_fork+0x22/0x30
-> #0 ((console_sem).lock){-.-.}-{2:2}:
__lock_acquire+0x2c2f/0x6120
lock_acquire+0x1a2/0x4d0
_raw_spin_lock_irqsave+0x39/0x50
down_trylock+0xe/0x60
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x162/0x550
vprintk+0x80/0x90
_printk+0xba/0xed
show_trace_log_lvl+0x57/0x2bb
ex_handler_msr+0x311/0x3a0
fixup_exception+0x307/0xff0
exc_general_protection+0xf6/0x2d0
asm_exc_general_protection+0x1e/0x30
x86_pmu_enable_all+0x2f7/0x3c0
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_in+0x5e4/0x770
finish_task_switch.isra.0+0x45c/0x870
__schedule+0x890/0x21a0
preempt_schedule_common+0x45/0xc0
__cond_resched+0x13/0x20
dput+0x50/0xe10
step_into+0xcb5/0x1d40
walk_component+0x171/0x6a0
link_path_walk.part.0+0x7f8/0xf80
path_openat+0x263/0x28a0
do_filp_open+0x1aa/0x400
do_sys_openat2+0x16d/0x4d0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rq->__lock --> &ctx->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->lock);
lock(&rq->__lock);
lock(&ctx->lock);
lock((console_sem).lock);
*** DEADLOCK ***
2 locks held by syz-executor.6/161906:
#0: ffff88806ce3f220 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_event_task_sched_in+0x304/0x770
#1: ffff8880383d2420 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770
stack backtrace:
CPU: 0 PID: 161906 Comm: syz-executor.6 Not tainted 5.17.0-rc8-next-20220318 #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
check_noncircular+0x25f/0x2e0
__lock_acquire+0x2c2f/0x6120
lock_acquire+0x1a2/0x4d0
_raw_spin_lock_irqsave+0x39/0x50
down_trylock+0xe/0x60
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x162/0x550
vprintk+0x80/0x90
_printk+0xba/0xed
show_trace_log_lvl+0x57/0x2bb
ex_handler_msr+0x311/0x3a0
fixup_exception+0x307/0xff0
exc_general_protection+0xf6/0x2d0
asm_exc_general_protection+0x1e/0x30
RIP: 0010:x86_pmu_enable_all+0x2f7/0x3c0
Code: 00 8b 7c 24 1c 48 8b 44 24 10 e8 64 58 3f 03 89 44 24 10 e8 fb 71 42 00 4c 89 fa 8b 4c 24 08 4c 89 f8 03 4c 24 10 48 c1 ea 20 <0f> 30 66 90 e8 e0 71 42 00 e9 cc fd ff ff 48 83 c4 20 5b 5d 41 5c
RSP: 0018:ffff888017ae7470 EFLAGS: 00010016
RAX: 0000000f004000ff RBX: ffff8880081ebee8 RCX: 00000000c0010202
RDX: 000000000000000f RSI: ffffffff8100df45 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff810155ed R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000000f004000ff
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_in+0x5e4/0x770
finish_task_switch.isra.0+0x45c/0x870
__schedule+0x890/0x21a0
preempt_schedule_common+0x45/0xc0
__cond_resched+0x13/0x20
dput+0x50/0xe10
step_into+0xcb5/0x1d40
walk_component+0x171/0x6a0
link_path_walk.part.0+0x7f8/0xf80
path_openat+0x263/0x28a0
do_filp_open+0x1aa/0x400
do_sys_openat2+0x16d/0x4d0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7d1602cb19
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:00007f7d135a2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7d1613ff60 RCX: 00007f7d1602cb19
RDX: 0000000000040102 RSI: 00000000200005c0 RDI: ffffffffffffff9c
RBP: 00007f7d16086f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2cd5a4ff R14: 00007f7d135a2300 R15: 0000000000022000
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_in+0x5e4/0x770
finish_task_switch.isra.0+0x45c/0x870
__schedule+0x890/0x21a0
preempt_schedule_common+0x45/0xc0
__cond_resched+0x13/0x20
dput+0x50/0xe10
step_into+0xcb5/0x1d40
walk_component+0x171/0x6a0
link_path_walk.part.0+0x7f8/0xf80
path_openat+0x263/0x28a0
do_filp_open+0x1aa/0x400
do_sys_openat2+0x16d/0x4d0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7d1602cb19
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:00007f7d135a2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7d1613ff60 RCX: 00007f7d1602cb19
RDX: 0000000000040102 RSI: 00000000200005c0 RDI: ffffffffffffff9c
RBP: 00007f7d16086f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2cd5a4ff R14: 00007f7d135a2300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_out+0x764/0x1950
__schedule+0xebf/0x21a0
preempt_schedule_common+0x45/0xc0
__cond_resched+0x13/0x20
dput+0x50/0xe10
step_into+0xcb5/0x1d40
walk_component+0x171/0x6a0
link_path_walk.part.0+0x7f8/0xf80
path_openat+0x263/0x28a0
do_filp_open+0x1aa/0x400
do_sys_openat2+0x16d/0x4d0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7d1602cb19
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:00007f7d135a2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7d1613ff60 RCX: 00007f7d1602cb19
RDX: 0000000000040102 RSI: 00000000200005c0 RDI: ffffffffffffff9c
RBP: 00007f7d16086f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2cd5a4ff R14: 00007f7d135a2300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90
ctx_resched+0x2b0/0x390
__perf_install_in_context+0x285/0x310
remote_function+0x125/0x1b0
flush_smp_call_function_queue+0x1df/0x610
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x12/0x20
RIP: 0010:___slab_alloc+0x3f4/0xee0
Code: 08 00 00 49 c7 47 28 00 00 00 00 48 c7 c6 8d 21 74 81 4c 89 ff e8 cc b2 b4 ff 4d 85 ed 74 06 e8 42 ff d5 ff fb 48 8b 44 24 40 <8b> 0c 24 e9 9d fc ff ff 4d 85 ff 0f 85 72 08 00 00 48 c7 43 10 00
RSP: 0018:ffff8880480e7aa8 EFLAGS: 00000246
RAX: ffffea0000893800 RBX: ffff88806ce3ba80 RCX: 1ffffffff0b19a71
RDX: 0000000000000000 RSI: ffffffff814a2141 RDI: ffffffff817421ae
RBP: ffff88800784c280 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff814a2128 R11: 0000000000000001 R12: 0000000000400cc0
R13: 0000000000000200 R14: ffffffff817420e5 R15: ffff88806ce3baa0
__slab_alloc.constprop.0+0x45/0x80
__kmalloc_node+0x18f/0x470
kvmalloc_node+0x3e/0x130
seq_read_iter+0x818/0x12b0
kernfs_fop_read_iter+0x516/0x6f0
new_sync_read+0x42f/0x6f0
vfs_read+0x499/0x5e0
ksys_read+0x12d/0x250
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff865d2ae8e
Code: c0 e9 b6 fe ff ff 50 48 8d 3d 6e 18 0a 00 e8 b9 e7 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffd4f3ce5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056079b989c20 RCX: 00007ff865d2ae8e
RDX: 0000000000001000 RSI: 000056079ba73050 RDI: 0000000000000010
RBP: 00007ff865dfc4a0 R08: 0000000000000010 R09: 00007ff865dfabe0
R10: 000000000000006f R11: 0000000000000246 R12: 0000000000001001
R13: 000056079ba73050 R14: 0000000000000d68 R15: 00007ff865dfb8a0
Call Trace:
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_in+0x5e4/0x770
finish_task_switch.isra.0+0x45c/0x870
__schedule+0x890/0x21a0
schedule+0xd2/0x1f0
futex_wait_queue+0x144/0x3b0
futex_wait+0x2c9/0x660
do_futex+0x2fb/0x380
__x64_sys_futex+0x1c6/0x4c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcff2672b19
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:00007fcfefbe8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fcff2785f68 RCX: 00007fcff2672b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcff2785f68
RBP: 00007fcff2785f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcff2785f6c
R13: 00007ffecb218bdf R14: 00007fcfefbe8300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90
__perf_event_task_sched_out+0x764/0x1950
__schedule+0xebf/0x21a0
schedule+0xd2/0x1f0
futex_wait_queue+0x144/0x3b0
futex_wait+0x2c9/0x660
do_futex+0x2fb/0x380
__x64_sys_futex+0x1c6/0x4c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcff2672b19
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:00007fcfefbe8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fcff2785f68 RCX: 00007fcff2672b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcff2785f68
RBP: 00007fcff2785f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcff2785f6c
R13: 00007ffecb218bdf R14: 00007fcfefbe8300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90
ctx_resched+0x2b0/0x390
__perf_install_in_context+0x285/0x310
remote_function+0x125/0x1b0
flush_smp_call_function_queue+0x1df/0x610
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x12/0x20
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 5e 3f 1b fd 48 89 ef e8 56 bc 1b fd e8 d1 8b 3c fd fb bf 01 00 00 00 96 c8 11 fd 65 8b 05 cf d9 f4 7b 85 c0 74 02 5d c3 0f 1f 44 00
RSP: 0018:ffff88800c067e48 EFLAGS: 00000246
RAX: 0000000000000007 RBX: ffff8880093e1ac0 RCX: 1ffffffff0b19a71
RDX: 0000000000000000 RSI: ffffffff814a2141 RDI: 0000000000000001
RBP: ffff88806ce379c8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff814a2128 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888008ec9080 R14: ffff88806ce379c8 R15: ffff8880083e9800
worker_thread+0x15a/0x1250
kthread+0x2f0/0x3a0
ret_from_fork+0x22/0x30
Call Trace:
x86_pmu_enable+0x580/0xd90
ctx_resched+0x2b0/0x390
__perf_install_in_context+0x285/0x310
remote_function+0x125/0x1b0
generic_exec_single+0x203/0x300
smp_call_function_single+0x189/0x460
perf_install_in_context+0x4a3/0x550
__do_sys_perf_event_open+0x1bf0/0x3040
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fea1ed92b19
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:00007fea1c308188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fea1eea5f60 RCX: 00007fea1ed92b19
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000
RBP: 00007fea1edecf6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffca2a08df R14: 00007fea1c308300 R15: 0000000000022000
loop7: detected capacity change from 0 to 40
Call Trace:
x86_pmu_enable+0x580/0xd90
ctx_resched+0x2b0/0x390
__perf_install_in_context+0x285/0x310
remote_function+0x125/0x1b0
generic_exec_single+0x203/0x300
smp_call_function_single+0x189/0x460
perf_install_in_context+0x4a3/0x550
__do_sys_perf_event_open+0x1bf0/0x3040
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fea1ed92b19
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:00007fea1c308188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fea1eea5f60 RCX: 00007fea1ed92b19
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000
RBP: 00007fea1edecf6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffca2a08df R14: 00007fea1c308300 R15: 0000000000022000
loop7: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=92, limit=40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=96, limit=40
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=92, limit=40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=96, limit=40
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=92, limit=40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, want=96, limit=40
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 196 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1400 audit(1647604550.141:214): avc: denied { create } for pid=163363 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:getty_log_t:s0 tclass=tcp_socket permissive=1
audit: type=1400 audit(1647604550.151:215): avc: denied { listen } for pid=163363 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:getty_log_t:s0 tclass=tcp_socket permissive=1
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
blk_print_req_error: 23 callbacks suppressed
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
buffer_io_error: 2310 callbacks suppressed
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 2, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 3, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 4, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 5, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 6, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 7, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
scsi_io_completion_action: 23 callbacks suppressed
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 01 00 00 01 00
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
----------------
Code disassembly (best guess):
0: 00 8b 7c 24 1c 48 add %cl,0x481c247c(%rbx)
6: 8b 44 24 10 mov 0x10(%rsp),%eax
a: e8 64 58 3f 03 callq 0x33f5873
f: 89 44 24 10 mov %eax,0x10(%rsp)
13: e8 fb 71 42 00 callq 0x427213
18: 4c 89 fa mov %r15,%rdx
1b: 8b 4c 24 08 mov 0x8(%rsp),%ecx
1f: 4c 89 f8 mov %r15,%rax
22: 03 4c 24 10 add 0x10(%rsp),%ecx
26: 48 c1 ea 20 shr $0x20,%rdx
* 2a: 0f 30 wrmsr <-- trapping instruction
2c: 66 90 xchg %ax,%ax
2e: e8 e0 71 42 00 callq 0x427213
33: e9 cc fd ff ff jmpq 0xfffffe04
38: 48 83 c4 20 add $0x20,%rsp
3c: 5b pop %rbx
3d: 5d pop %rbp
3e: 41 5c pop %r12