------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
6.1.138-syzkaller #0 Not tainted
------------------------------------------------------
syz.1.29/4471 is trying to acquire lock:
ffffffff8c91eb00 (console_owner){....}-{0:0}, at: console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
ffffffff8c91eb00 (console_owner){....}-{0:0}, at: console_emit_next_record+0x82d/0xc90 kernel/printk/printk.c:2774
but task is already holding lock:
ffff8880b8f3aa58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x2e/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
task_fork_fair+0x5c/0x350 kernel/sched/fair.c:11888
sched_cgroup_fork+0x32c/0x3c0 kernel/sched/core.c:4685
copy_process+0x248b/0x4060 kernel/fork.c:2383
kernel_clone+0x225/0x8b0 kernel/fork.c:2681
user_mode_thread+0xda/0x130 kernel/fork.c:2757
rest_init+0x23/0x300 init/main.c:698
start_kernel+0x0/0x539 init/main.c:893
start_kernel+0x490/0x539 init/main.c:1140
secondary_startup_64_no_verify+0xcf/0xdb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
try_to_wake_up+0x5c/0x1080 kernel/sched/core.c:4111
__wake_up_common+0x2a4/0x4e0 kernel/sched/wait.c:107
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x10e/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
default_idle+0xb/0x10 arch/x86/kernel/process.c:735
default_idle_call+0x84/0xc0 kernel/sched/idle.c:109
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x1fc/0x570 kernel/sched/idle.c:303
cpu_startup_entry+0x3f/0x60 kernel/sched/idle.c:401
rest_init+0x2dc/0x300 init/main.c:733
start_kernel+0x0/0x539 init/main.c:893
start_kernel+0x490/0x539 init/main.c:1140
secondary_startup_64_no_verify+0xcf/0xdb
-> #2 (&tty->write_wait){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xf4/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_write+0x68a/0x910 drivers/tty/serial/serial_core.c:602
process_output_block drivers/tty/n_tty.c:586 [inline]
n_tty_write+0xd1a/0x11c0 drivers/tty/n_tty.c:2377
do_tty_write drivers/tty/tty_io.c:1018 [inline]
file_tty_write+0x4dd/0x860 drivers/tty/tty_io.c:1089
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x44c/0x960 fs/read_write.c:584
ksys_write+0x143/0x240 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
serial8250_console_write+0x169/0x17a0 drivers/tty/serial/8250/8250_port.c:3433
call_console_driver kernel/printk/printk.c:1977 [inline]
console_emit_next_record+0x947/0xc90 kernel/printk/printk.c:2777
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
register_console+0x6c6/0x9c0 kernel/printk/printk.c:3269
univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:687
console_init+0x1bc/0x78e kernel/printk/printk.c:3359
start_kernel+0x303/0x539 init/main.c:1076
secondary_startup_64_no_verify+0xcf/0xdb
-> #0 (console_owner){....}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
__report_bug lib/bug.c:195 [inline]
report_bug+0x34a/0x4f0 lib/bug.c:219
handle_bug+0x3a/0x70 arch/x86/kernel/traps.c:324
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:606
_update_idle_rq_clock_pelt kernel/sched/pelt.h:80 [inline]
update_idle_rq_clock_pelt kernel/sched/pelt.h:152 [inline]
pick_next_task_fair+0xa4a/0xbd0 kernel/sched/fair.c:7931
__pick_next_task kernel/sched/core.c:5870 [inline]
pick_next_task kernel/sched/core.c:5945 [inline]
__schedule+0x6a3/0x40d0 kernel/sched/core.c:6524
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
filemap_get_pages mm/filemap.c:-1 [inline]
filemap_read+0x1fad/0x2f80 mm/filemap.c:2759
generic_file_read_iter+0x115/0x670 mm/filemap.c:2914
__kernel_read+0x2dc/0x6b0 fs/read_write.c:428
integrity_kernel_read+0x86/0xd0 security/integrity/iint.c:228
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0x96b/0x17c0 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x4b3/0xac0 security/integrity/ima/ima_api.c:293
process_measurement+0xfae/0x1a10 security/integrity/ima/ima_main.c:351
ima_file_check+0xc2/0x100 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3628 [inline]
path_openat+0x2679/0x2e70 fs/namei.c:3783
do_filp_open+0x1c1/0x3c0 fs/namei.c:3810
do_sys_openat2+0x142/0x490 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_open fs/open.c:1342 [inline]
__se_sys_open fs/open.c:1338 [inline]
__x64_sys_open+0x11b/0x140 fs/open.c:1338
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
console_owner --> &p->pi_lock --> &rq->__lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rq->__lock);
lock(&p->pi_lock);
lock(&rq->__lock);
lock(console_owner);
*** DEADLOCK ***
4 locks held by syz.1.29/4471:
#0: ffff8880280ea460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:393
#1: ffff88801dfabae8 (&iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x64a/0x1a10 security/integrity/ima/ima_main.c:261
#2: ffff8880b8f3aa58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
#3: ffffffff8c91ebe0 (console_lock){+.+.}-{0:0}, at: _printk+0xcc/0x110 kernel/printk/printk.c:2328
stack backtrace:
CPU: 1 PID: 4471 Comm: syz.1.29 Not tainted 6.1.138-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
__report_bug lib/bug.c:195 [inline]
report_bug+0x34a/0x4f0 lib/bug.c:219
handle_bug+0x3a/0x70 arch/x86/kernel/traps.c:324
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0010:put_prev_task kernel/sched/sched.h:2212 [inline]
RIP: 0010:pick_next_task_fair+0xa4a/0xbd0 kernel/sched/fair.c:7883
Code: 00 00 49 81 c5 98 0a 00 00 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 91 7f 77 00 49 89 5d 00 31 db e9 3d fb ff ff <0f> 0b e9 6f fb ff ff 0f 0b e9 ca fd ff ff 0f 0b eb 88 0f 0b e9 de
RSP: 0018:ffffc900036165d8 EFLAGS: 00010012
RAX: 1ffff110171e768b RBX: ffff8880b8f3b458 RCX: 1ffff110171e7562
RDX: ffffc90003616760 RSI: ffff88802bdcbb7f RDI: ffff8880b8f3aa40
RBP: ffff88802bdcbe0f R08: ffffffff8f7cd048 R09: ffffffff8f7cd058
R10: ffffffff8f7cd050 R11: ffffffff8f7cd043 R12: ffff8880b8f3aa40
R13: ffff8880b8f3ab00 R14: dffffc0000000000 R15: ffff88802bdcbb7f
__pick_next_task kernel/sched/core.c:5870 [inline]
pick_next_task kernel/sched/core.c:5945 [inline]
__schedule+0x6a3/0x40d0 kernel/sched/core.c:6524
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:filemap_read+0x1fad/0x2f80 mm/filemap.c:-1
Code: 94 c0 44 08 e0 0f 84 85 0f 00 00 e8 6d cf d4 ff 4c 8b 7c 24 10 4c 8b 6c 24 28 4d 89 f4 e9 33 f2 ff ff e8 56 cf d4 ff 45 31 f6 <44> 89 74 24 08 48 8b 84 24 f8 00 00 00 42 80 3c 20 00 48 8b bc 24
RSP: 0018:ffffc90003616940 EFLAGS: 00000246
RAX: ffffffff81ac0e0e RBX: ffffea00015ec0c8 RCX: ffff88802bdcbb80
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90003616c50 R08: dffffc0000000000 R09: fffff940002bd819
R10: fffff940002bd819 R11: 1ffffd40002bd818 R12: dffffc0000000000
R13: 1ffffd40002bd819 R14: 0000000000000000 R15: 0000000000000000
generic_file_read_iter+0x115/0x670 mm/filemap.c:2914
__kernel_read+0x2dc/0x6b0 fs/read_write.c:428
integrity_kernel_read+0x86/0xd0 security/integrity/iint.c:228
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0x96b/0x17c0 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x4b3/0xac0 security/integrity/ima/ima_api.c:293
process_measurement+0xfae/0x1a10 security/integrity/ima/ima_main.c:351
ima_file_check+0xc2/0x100 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3628 [inline]
path_openat+0x2679/0x2e70 fs/namei.c:3783
do_filp_open+0x1c1/0x3c0 fs/namei.c:3810
do_sys_openat2+0x142/0x490 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_open fs/open.c:1342 [inline]
__se_sys_open fs/open.c:1338 [inline]
__x64_sys_open+0x11b/0x140 fs/open.c:1338
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f26f8d8e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f26f9c43038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f26f8fb6080 RCX: 00007f26f8d8e969
RDX: 1df2a23c5997fa5f RSI: 0000000000080242 RDI: 0000200000000580
RBP: 00007f26f8e10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f26f8fb6080 R15: 00007ffef1e114e8
WARNING: CPU: 1 PID: 4471 at kernel/sched/sched.h:2212 _update_idle_rq_clock_pelt kernel/sched/pelt.h:80 [inline]
WARNING: CPU: 1 PID: 4471 at kernel/sched/sched.h:2212 update_idle_rq_clock_pelt kernel/sched/pelt.h:152 [inline]
WARNING: CPU: 1 PID: 4471 at kernel/sched/sched.h:2212 pick_next_task_fair+0xa4a/0xbd0 kernel/sched/fair.c:7931
Modules linked in:
CPU: 1 PID: 4471 Comm: syz.1.29 Not tainted 6.1.138-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:put_prev_task kernel/sched/sched.h:2212 [inline]
RIP: 0010:pick_next_task_fair+0xa4a/0xbd0 kernel/sched/fair.c:7883
Code: 00 00 49 81 c5 98 0a 00 00 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 91 7f 77 00 49 89 5d 00 31 db e9 3d fb ff ff <0f> 0b e9 6f fb ff ff 0f 0b e9 ca fd ff ff 0f 0b eb 88 0f 0b e9 de
RSP: 0018:ffffc900036165d8 EFLAGS: 00010012
RAX: 1ffff110171e768b RBX: ffff8880b8f3b458 RCX: 1ffff110171e7562
RDX: ffffc90003616760 RSI: ffff88802bdcbb7f RDI: ffff8880b8f3aa40
RBP: ffff88802bdcbe0f R08: ffffffff8f7cd048 R09: ffffffff8f7cd058
R10: ffffffff8f7cd050 R11: ffffffff8f7cd043 R12: ffff8880b8f3aa40
R13: ffff8880b8f3ab00 R14: dffffc0000000000 R15: ffff88802bdcbb7f
FS: 00007f26f9c436c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26f9c42f98 CR3: 000000001f266000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__pick_next_task kernel/sched/core.c:5870 [inline]
pick_next_task kernel/sched/core.c:5945 [inline]
__schedule+0x6a3/0x40d0 kernel/sched/core.c:6524
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:filemap_read+0x1fad/0x2f80 mm/filemap.c:-1
Code: 94 c0 44 08 e0 0f 84 85 0f 00 00 e8 6d cf d4 ff 4c 8b 7c 24 10 4c 8b 6c 24 28 4d 89 f4 e9 33 f2 ff ff e8 56 cf d4 ff 45 31 f6 <44> 89 74 24 08 48 8b 84 24 f8 00 00 00 42 80 3c 20 00 48 8b bc 24
RSP: 0018:ffffc90003616940 EFLAGS: 00000246
RAX: ffffffff81ac0e0e RBX: ffffea00015ec0c8 RCX: ffff88802bdcbb80
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90003616c50 R08: dffffc0000000000 R09: fffff940002bd819
R10: fffff940002bd819 R11: 1ffffd40002bd818 R12: dffffc0000000000
R13: 1ffffd40002bd819 R14: 0000000000000000 R15: 0000000000000000
generic_file_read_iter+0x115/0x670 mm/filemap.c:2914
__kernel_read+0x2dc/0x6b0 fs/read_write.c:428
integrity_kernel_read+0x86/0xd0 security/integrity/iint.c:228
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0x96b/0x17c0 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x4b3/0xac0 security/integrity/ima/ima_api.c:293
process_measurement+0xfae/0x1a10 security/integrity/ima/ima_main.c:351
ima_file_check+0xc2/0x100 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3628 [inline]
path_openat+0x2679/0x2e70 fs/namei.c:3783
do_filp_open+0x1c1/0x3c0 fs/namei.c:3810
do_sys_openat2+0x142/0x490 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_open fs/open.c:1342 [inline]
__se_sys_open fs/open.c:1338 [inline]
__x64_sys_open+0x11b/0x140 fs/open.c:1338
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f26f8d8e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f26f9c43038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f26f8fb6080 RCX: 00007f26f8d8e969
RDX: 1df2a23c5997fa5f RSI: 0000000000080242 RDI: 0000200000000580
RBP: 00007f26f8e10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f26f8fb6080 R15: 00007ffef1e114e8
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 44 08 e0 or %r12b,%al
3: 0f 84 85 0f 00 00 je 0xf8e
9: e8 6d cf d4 ff call 0xffd4cf7b
e: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
13: 4c 8b 6c 24 28 mov 0x28(%rsp),%r13
18: 4d 89 f4 mov %r14,%r12
1b: e9 33 f2 ff ff jmp 0xfffff253
20: e8 56 cf d4 ff call 0xffd4cf7b
25: 45 31 f6 xor %r14d,%r14d
* 28: 44 89 74 24 08 mov %r14d,0x8(%rsp) <-- trapping instruction
2d: 48 8b 84 24 f8 00 00 mov 0xf8(%rsp),%rax
34: 00
35: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
3a: 48 rex.W
3b: 8b .byte 0x8b
3c: bc .byte 0xbc
3d: 24 .byte 0x24