------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.2203/14434 is trying to acquire lock:
ffffffff8d1263e0 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:339 [inline]
ffffffff8d1263e0 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline]
ffffffff8d1263e0 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:292 [inline]
ffffffff8d1263e0 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x10b/0xcf0 kernel/printk/printk.c:2992
but task is already holding lock:
ffff8880b8e3c258 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x9c/0x130 kernel/sched/core.c:567
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+0x32/0x50 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
raw_spin_rq_lock kernel/sched/sched.h:1379 [inline]
rq_lock kernel/sched/sched.h:1688 [inline]
task_fork_fair+0x62/0x1f0 kernel/sched/fair.c:12729
sched_cgroup_fork+0x352/0x3e0 kernel/sched/core.c:4818
copy_process+0x21fd/0x3da0 kernel/fork.c:2619
kernel_clone+0x24b/0x8a0 kernel/fork.c:2919
user_mode_thread+0x111/0x180 kernel/fork.c:2997
rest_init+0x27/0x300 init/main.c:670
arch_call_rest_init+0xe/0x10 init/main.c:801
start_kernel+0x461/0x4e0 init/main.c:1046
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555
copy_bootdata+0x0/0xd0 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x179/0x17b
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:523 [inline]
try_to_wake_up+0x5b/0x10e0 kernel/sched/core.c:4233
__wake_up_common+0x28e/0x4d0 kernel/sched/wait.c:107
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x125/0x1a0 kernel/sched/wait.c:160
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x6a2/0x8b0 drivers/tty/serial/8250/8250_port.c:1837
serial8250_handle_irq+0x567/0x730 drivers/tty/serial/8250/8250_port.c:1944
serial8250_default_handle_irq+0xb8/0x1a0 drivers/tty/serial/8250/8250_port.c:1964
serial8250_interrupt+0x9f/0x1c0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x271/0x940 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x246/0xb20 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
handle_irq arch/x86/kernel/irq.c:240 [inline]
__common_interrupt+0x13b/0x230 arch/x86/kernel/irq.c:259
common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:249
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:678
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0xf/0x10 arch/x86/kernel/paravirt.c:147
arch_safe_halt arch/x86/include/asm/paravirt.h:108 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:753
default_idle_call+0x6c/0xa0 kernel/sched/idle.c:97
cpuidle_idle_call kernel/sched/idle.c:178 [inline]
do_idle+0x334/0x5c0 kernel/sched/idle.c:302
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:401
start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
secondary_startup_64_no_verify+0x179/0x17b
-> #2 (&tty->write_wait){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0x10b/0x1a0 kernel/sched/wait.c:160
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x6a2/0x8b0 drivers/tty/serial/8250/8250_port.c:1837
serial8250_handle_irq+0x567/0x730 drivers/tty/serial/8250/8250_port.c:1944
serial8250_default_handle_irq+0xb8/0x1a0 drivers/tty/serial/8250/8250_port.c:1964
serial8250_interrupt+0x9f/0x1c0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x271/0x940 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x246/0xb20 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
handle_irq arch/x86/kernel/irq.c:240 [inline]
__common_interrupt+0x13b/0x230 arch/x86/kernel/irq.c:259
common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:249
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:678
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0xf/0x10 arch/x86/kernel/paravirt.c:147
arch_safe_halt arch/x86/include/asm/paravirt.h:108 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:753
default_idle_call+0x6c/0xa0 kernel/sched/idle.c:97
cpuidle_idle_call kernel/sched/idle.c:178 [inline]
do_idle+0x334/0x5c0 kernel/sched/idle.c:302
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:401
start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
secondary_startup_64_no_verify+0x179/0x17b
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162
serial8250_console_write+0x181/0x18b0 drivers/tty/serial/8250/8250_port.c:3439
console_emit_next_record kernel/printk/printk.c:2944 [inline]
console_flush_all+0x6ad/0xcf0 kernel/printk/printk.c:3000
console_unlock+0xad/0x350 kernel/printk/printk.c:3069
vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
_printk+0xde/0x130 kernel/printk/printk.c:2366
register_console+0xb96/0xf00 kernel/printk/printk.c:3583
univ8250_console_init+0x45/0x50 drivers/tty/serial/8250/8250_core.c:717
console_init+0x17b/0x5d0 kernel/printk/printk.c:3726
start_kernel+0x2c8/0x4e0 init/main.c:982
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555
copy_bootdata+0x0/0xd0 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x179/0x17b
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x37ef/0x7d80 kernel/locking/lockdep.c:5137
lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5756
console_lock_spinning_enable kernel/printk/printk.c:1871 [inline]
console_emit_next_record kernel/printk/printk.c:2938 [inline]
console_flush_all+0x676/0xcf0 kernel/printk/printk.c:3000
console_unlock+0xad/0x350 kernel/printk/printk.c:3069
vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
_printk+0xde/0x130 kernel/printk/printk.c:2366
__report_bug lib/bug.c:195 [inline]
report_bug+0x34e/0x4f0 lib/bug.c:219
handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606
update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:772
pick_next_task kernel/sched/core.c:6187 [inline]
__schedule+0x2c72/0x4660 kernel/sched/core.c:6663
preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011
irqentry_exit+0x67/0x70 kernel/entry/common.c:441
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
shmem_alloc_folio+0xc/0x2a0 mm/shmem.c:1674
shmem_alloc_and_acct_folio+0x1cb/0x6c0 mm/shmem.c:1704
shmem_get_folio_gfp+0xe1d/0x2b40 mm/shmem.c:2041
shmem_get_folio mm/shmem.c:2164 [inline]
shmem_write_begin+0xf2/0x430 mm/shmem.c:2706
generic_perform_write+0x2fe/0x5c0 mm/filemap.c:4036
shmem_file_write_iter+0xfb/0x120 mm/shmem.c:2883
__kernel_write_iter+0x29f/0x6d0 fs/read_write.c:517
dump_emit_page fs/coredump.c:958 [inline]
dump_user_range+0x418/0x840 fs/coredump.c:985
elf_core_dump+0x320e/0x37c0 fs/binfmt_elf.c:2184
do_coredump+0x1791/0x24a0 fs/coredump.c:834
get_signal+0x10da/0x1390 kernel/signal.c:2901
arch_do_signal_or_restart+0xc2/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:318
exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
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 ***
5 locks held by syz.0.2203/14434:
#0: ffff88802143e418 (sb_writers#5){.+.+}-{0:0}, at: do_coredump+0x1774/0x24a0 fs/coredump.c:833
#1: ffff888024204cf0 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
#1: ffff888024204cf0 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: shmem_file_write_iter+0x82/0x120 mm/shmem.c:2873
#2: ffff8880b8e3c258 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x9c/0x130 kernel/sched/core.c:567
#3: ffffffff8d1264c0 (console_lock){+.+.}-{0:0}, at: _printk+0xde/0x130 kernel/printk/printk.c:2366
#4: ffffffff8d00dcd0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:339 [inline]
#4: ffffffff8d00dcd0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline]
#4: ffffffff8d00dcd0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:292 [inline]
#4: ffffffff8d00dcd0 (console_srcu){....}-{0:0}, at: console_flush_all+0x10b/0xcf0 kernel/printk/printk.c:2992
stack backtrace:
CPU: 0 PID: 14434 Comm: syz.0.2203 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
check_noncircular+0x2fc/0x400 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x37ef/0x7d80 kernel/locking/lockdep.c:5137
lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5756
console_lock_spinning_enable kernel/printk/printk.c:1871 [inline]
console_emit_next_record kernel/printk/printk.c:2938 [inline]
console_flush_all+0x676/0xcf0 kernel/printk/printk.c:3000
console_unlock+0xad/0x350 kernel/printk/printk.c:3069
vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
_printk+0xde/0x130 kernel/printk/printk.c:2366
__report_bug lib/bug.c:195 [inline]
report_bug+0x34e/0x4f0 lib/bug.c:219
handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1370 [inline]
RIP: 0010:update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:756
Code: 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c4 0c 83 00 48 01 2b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 62 fd ff ff 48 89 df 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90003bfea80 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b8f3c240 RCX: 56faff3f83835b00
RDX: 0000000000000003 RSI: ffffffff8acade60 RDI: ffffffff8b1d3ba0
RBP: ffffc90003bfecd0 R08: ffffffff8e8c316f R09: 1ffffffff1d1862d
R10: dffffc0000000000 R11: fffffbfff1d1862e R12: ffffffff8ca9ca38
R13: dffffc0000000000 R14: ffff8880b8f3cf88 R15: ffff8880b8f3c240
pick_next_task kernel/sched/core.c:6187 [inline]
__schedule+0x2c72/0x4660 kernel/sched/core.c:6663
preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011
irqentry_exit+0x67/0x70 kernel/entry/common.c:441
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:shmem_alloc_folio+0xc/0x2a0 mm/shmem.c:1674
Code: 48 89 df 48 c7 c6 20 d3 d3 8a e8 ff 6c 06 00 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 e4 e0 48 81 ec 60 01 00 00 49 89 d6 49 89 f4
RSP: 0018:ffffc90003bfee40 EFLAGS: 00000293
RAX: ffffffff81c23d8c RBX: 000000000000533e RCX: ffff88802a551e00
RDX: 000000000000533e RSI: ffff8880242049e8 RDI: 0000000000100cca
RBP: ffffc90003bfee50 R08: ffffffff911eb5af R09: 1ffffffff223d6b5
R10: dffffc0000000000 R11: fffffbfff223d6b6 R12: ffff888024204b90
R13: 0000000000000001 R14: 1ffff9200077fdd0 R15: ffff8880242049e8
shmem_alloc_and_acct_folio+0x1cb/0x6c0 mm/shmem.c:1704
shmem_get_folio_gfp+0xe1d/0x2b40 mm/shmem.c:2041
shmem_get_folio mm/shmem.c:2164 [inline]
shmem_write_begin+0xf2/0x430 mm/shmem.c:2706
generic_perform_write+0x2fe/0x5c0 mm/filemap.c:4036
shmem_file_write_iter+0xfb/0x120 mm/shmem.c:2883
__kernel_write_iter+0x29f/0x6d0 fs/read_write.c:517
dump_emit_page fs/coredump.c:958 [inline]
dump_user_range+0x418/0x840 fs/coredump.c:985
elf_core_dump+0x320e/0x37c0 fs/binfmt_elf.c:2184
do_coredump+0x1791/0x24a0 fs/coredump.c:834
get_signal+0x10da/0x1390 kernel/signal.c:2901
arch_do_signal_or_restart+0xc2/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:318
exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7fe4e679e161
Code: 00 00 00 00 0f 1f 44 00 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fe4e6a26090 RCX: 00007fe4e679e159
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007fe4e683506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fe4e6a26128 R14: 00007fe4e6a26090 R15: 00007ffd2d2f0d28
WARNING: CPU: 0 PID: 14434 at kernel/sched/sched.h:1370 update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:772
Modules linked in:
CPU: 0 PID: 14434 Comm: syz.0.2203 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1370 [inline]
RIP: 0010:update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:756
Code: 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c4 0c 83 00 48 01 2b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 62 fd ff ff 48 89 df 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90003bfea80 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b8f3c240 RCX: 56faff3f83835b00
RDX: 0000000000000003 RSI: ffffffff8acade60 RDI: ffffffff8b1d3ba0
RBP: ffffc90003bfecd0 R08: ffffffff8e8c316f R09: 1ffffffff1d1862d
R10: dffffc0000000000 R11: fffffbfff1d1862e R12: ffffffff8ca9ca38
R13: dffffc0000000000 R14: ffff8880b8f3cf88 R15: ffff8880b8f3c240
FS: 00007fe4e75ae6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f508c18131c CR3: 000000005e78e000 CR4: 00000000003506f0
Call Trace:
pick_next_task kernel/sched/core.c:6187 [inline]
__schedule+0x2c72/0x4660 kernel/sched/core.c:6663
preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011
irqentry_exit+0x67/0x70 kernel/entry/common.c:441
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:shmem_alloc_folio+0xc/0x2a0 mm/shmem.c:1674
Code: 48 89 df 48 c7 c6 20 d3 d3 8a e8 ff 6c 06 00 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 e4 e0 48 81 ec 60 01 00 00 49 89 d6 49 89 f4
RSP: 0018:ffffc90003bfee40 EFLAGS: 00000293
RAX: ffffffff81c23d8c RBX: 000000000000533e RCX: ffff88802a551e00
RDX: 000000000000533e RSI: ffff8880242049e8 RDI: 0000000000100cca
RBP: ffffc90003bfee50 R08: ffffffff911eb5af R09: 1ffffffff223d6b5
R10: dffffc0000000000 R11: fffffbfff223d6b6 R12: ffff888024204b90
R13: 0000000000000001 R14: 1ffff9200077fdd0 R15: ffff8880242049e8
shmem_alloc_and_acct_folio+0x1cb/0x6c0 mm/shmem.c:1704
shmem_get_folio_gfp+0xe1d/0x2b40 mm/shmem.c:2041
shmem_get_folio mm/shmem.c:2164 [inline]
shmem_write_begin+0xf2/0x430 mm/shmem.c:2706
generic_perform_write+0x2fe/0x5c0 mm/filemap.c:4036
shmem_file_write_iter+0xfb/0x120 mm/shmem.c:2883
__kernel_write_iter+0x29f/0x6d0 fs/read_write.c:517
dump_emit_page fs/coredump.c:958 [inline]
dump_user_range+0x418/0x840 fs/coredump.c:985
elf_core_dump+0x320e/0x37c0 fs/binfmt_elf.c:2184
do_coredump+0x1791/0x24a0 fs/coredump.c:834
get_signal+0x10da/0x1390 kernel/signal.c:2901
arch_do_signal_or_restart+0xc2/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:318
exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7fe4e679e161
Code: 00 00 00 00 0f 1f 44 00 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fe4e6a26090 RCX: 00007fe4e679e159
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007fe4e683506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fe4e6a26128 R14: 00007fe4e6a26090 R15: 00007ffd2d2f0d28
----------------
Code disassembly (best guess):
0: 48 89 df mov %rbx,%rdi
3: 48 c7 c6 20 d3 d3 8a mov $0xffffffff8ad3d320,%rsi
a: e8 ff 6c 06 00 call 0x66d0e
f: 0f 0b ud2
11: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
18: 00 00 00
1b: 0f 1f 00 nopl (%rax)
1e: f3 0f 1e fa endbr64
22: 55 push %rbp
23: 48 89 e5 mov %rsp,%rbp
26: 41 57 push %r15
28: 41 56 push %r14
* 2a: 41 55 push %r13 <-- trapping instruction
2c: 41 54 push %r12
2e: 53 push %rbx
2f: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp
33: 48 81 ec 60 01 00 00 sub $0x160,%rsp
3a: 49 89 d6 mov %rdx,%r14
3d: 49 89 f4 mov %rsi,%r12