=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
kernel/sched/core.c:9159 Illegal context switch in RCU-sched read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz.5.116/6155:
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock include/linux/mmap_lock.h:536 [inline]
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2d8/0x9f0 mm/mmap.c:1308
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:938 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid include/linux/mmzone.h:2270 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: __virt_addr_valid+0x137/0x390 arch/x86/mm/physaddr.c:54
#2: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745
stack backtrace:
CPU: 0 UID: 0 PID: 6155 Comm: syz.5.116 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x13f/0x1d0 kernel/locking/lockdep.c:6876
__might_resched+0xbb/0x4d0 kernel/sched/core.c:9159
__cancel_work_sync+0x6d/0x110 kernel/workqueue.c:4487
mmc_free_host+0x19/0x30 drivers/mmc/core/host.c:700
call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_unlock_sched include/linux/rcupdate.h:960 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:2280 [inline]
RIP: 0010:__virt_addr_valid+0x291/0x390 arch/x86/mm/physaddr.c:54
Code: eb 15 83 e3 3f 49 8d 7f 10 be 08 00 00 00 e8 96 57 bb 00 31 c0 49 0f a3 5f 10 0f 92 c0 eb 02 31 c0 89 c3 e8 71 e3 59 0a 85 c0 <74> 3a e8 28 8a 32 00 84 c0 75 31 e8 5f e3 59 0a 85 c0 74 28 80 3d
RSP: 0018:ffffc90006f17720 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888020703e80
RDX: 0000000094cbad87 RSI: ffffffff8c4bd660 RDI: ffffffff8c4bd620
RBP: 000000000021a310 R08: ffffffff81795627 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8eb59e20 R12: dffffc0000000000
R13: 00000000000001e0 R14: ffffffff81795627 R15: ffff88813fe531e0
kasan_addr_to_slab+0xf/0x70 mm/kasan/common.c:47
kasan_record_aux_stack+0xf/0xd0 mm/kasan/generic.c:541
slab_free_hook mm/slub.c:2638 [inline]
slab_free mm/slub.c:6377 [inline]
kmem_cache_free+0x44f/0x650 mm/slub.c:6504
tear_down_vmas+0x312/0x520 mm/mmap.c:1262
exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320
__mmput+0x118/0x420 kernel/fork.c:1187
exit_mm+0x221/0x2d0 kernel/exit.c:615
do_exit+0x6cd/0x2360 kernel/exit.c:997
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x750 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f35b9e0d9
Code: Unable to access opcode bytes at 0x7f9f35b9e0af.
RSP: 002b:00007f9f33df60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f35e25fa8 RCX: 00007f9f35b9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f35e25fa8
RBP: 00007f9f35e25fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f35e26038 R14: 00007ffc7f200020 R15: 00007ffc7f200108
BUG: sleeping function called from invalid context at kernel/workqueue.c:4487
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6155, name: syz.5.116
preempt_count: 101, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz.5.116/6155:
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock include/linux/mmap_lock.h:536 [inline]
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2d8/0x9f0 mm/mmap.c:1308
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:938 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid include/linux/mmzone.h:2270 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: __virt_addr_valid+0x137/0x390 arch/x86/mm/physaddr.c:54
#2: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745
Preemption disabled at:
[] rcu_read_lock_sched include/linux/rcupdate.h:935 [inline]
[] pfn_valid include/linux/mmzone.h:2270 [inline]
[] __virt_addr_valid+0x130/0x390 arch/x86/mm/physaddr.c:54
CPU: 0 UID: 0 PID: 6155 Comm: syz.5.116 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
__might_resched+0x378/0x4d0 kernel/sched/core.c:9197
__cancel_work_sync+0x6d/0x110 kernel/workqueue.c:4487
mmc_free_host+0x19/0x30 drivers/mmc/core/host.c:700
call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_unlock_sched include/linux/rcupdate.h:960 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:2280 [inline]
RIP: 0010:__virt_addr_valid+0x291/0x390 arch/x86/mm/physaddr.c:54
Code: eb 15 83 e3 3f 49 8d 7f 10 be 08 00 00 00 e8 96 57 bb 00 31 c0 49 0f a3 5f 10 0f 92 c0 eb 02 31 c0 89 c3 e8 71 e3 59 0a 85 c0 <74> 3a e8 28 8a 32 00 84 c0 75 31 e8 5f e3 59 0a 85 c0 74 28 80 3d
RSP: 0018:ffffc90006f17720 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888020703e80
RDX: 0000000094cbad87 RSI: ffffffff8c4bd660 RDI: ffffffff8c4bd620
RBP: 000000000021a310 R08: ffffffff81795627 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8eb59e20 R12: dffffc0000000000
R13: 00000000000001e0 R14: ffffffff81795627 R15: ffff88813fe531e0
kasan_addr_to_slab+0xf/0x70 mm/kasan/common.c:47
kasan_record_aux_stack+0xf/0xd0 mm/kasan/generic.c:541
slab_free_hook mm/slub.c:2638 [inline]
slab_free mm/slub.c:6377 [inline]
kmem_cache_free+0x44f/0x650 mm/slub.c:6504
tear_down_vmas+0x312/0x520 mm/mmap.c:1262
exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320
__mmput+0x118/0x420 kernel/fork.c:1187
exit_mm+0x221/0x2d0 kernel/exit.c:615
do_exit+0x6cd/0x2360 kernel/exit.c:997
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x750 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f35b9e0d9
Code: Unable to access opcode bytes at 0x7f9f35b9e0af.
RSP: 002b:00007f9f33df60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f35e25fa8 RCX: 00007f9f35b9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f35e25fa8
RBP: 00007f9f35e25fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f35e26038 R14: 00007ffc7f200020 R15: 00007ffc7f200108
=============================
WARNING: suspicious RCU usage
syzkaller #0 Tainted: G W
-----------------------------
kernel/rcu/srcutree.c:1487 Illegal synchronize_srcu() in same-type SRCU (or in RCU) read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz.5.116/6155:
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock include/linux/mmap_lock.h:536 [inline]
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2d8/0x9f0 mm/mmap.c:1308
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:938 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid include/linux/mmzone.h:2270 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: __virt_addr_valid+0x137/0x390 arch/x86/mm/physaddr.c:54
#2: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745
stack backtrace:
CPU: 0 UID: 0 PID: 6155 Comm: syz.5.116 Tainted: G W syzkaller #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x13f/0x1d0 kernel/locking/lockdep.c:6876
__synchronize_srcu+0x157/0x2f0 kernel/rcu/srcutree.c:1483
wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]
wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237
mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69
device_release+0xc4/0x1f0 drivers/base/core.c:-1
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x222/0x550 lib/kobject.c:737
call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_unlock_sched include/linux/rcupdate.h:960 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:2280 [inline]
RIP: 0010:__virt_addr_valid+0x291/0x390 arch/x86/mm/physaddr.c:54
Code: eb 15 83 e3 3f 49 8d 7f 10 be 08 00 00 00 e8 96 57 bb 00 31 c0 49 0f a3 5f 10 0f 92 c0 eb 02 31 c0 89 c3 e8 71 e3 59 0a 85 c0 <74> 3a e8 28 8a 32 00 84 c0 75 31 e8 5f e3 59 0a 85 c0 74 28 80 3d
RSP: 0018:ffffc90006f17720 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888020703e80
RDX: 0000000094cbad87 RSI: ffffffff8c4bd660 RDI: ffffffff8c4bd620
RBP: 000000000021a310 R08: ffffffff81795627 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8eb59e20 R12: dffffc0000000000
R13: 00000000000001e0 R14: ffffffff81795627 R15: ffff88813fe531e0
kasan_addr_to_slab+0xf/0x70 mm/kasan/common.c:47
kasan_record_aux_stack+0xf/0xd0 mm/kasan/generic.c:541
slab_free_hook mm/slub.c:2638 [inline]
slab_free mm/slub.c:6377 [inline]
kmem_cache_free+0x44f/0x650 mm/slub.c:6504
tear_down_vmas+0x312/0x520 mm/mmap.c:1262
exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320
__mmput+0x118/0x420 kernel/fork.c:1187
exit_mm+0x221/0x2d0 kernel/exit.c:615
do_exit+0x6cd/0x2360 kernel/exit.c:997
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x750 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f35b9e0d9
Code: Unable to access opcode bytes at 0x7f9f35b9e0af.
RSP: 002b:00007f9f33df60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f35e25fa8 RCX: 00007f9f35b9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f35e25fa8
RBP: 00007f9f35e25fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f35e26038 R14: 00007ffc7f200020 R15: 00007ffc7f200108
BUG: sleeping function called from invalid context at kernel/rcu/srcutree.c:1491
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6155, name: syz.5.116
preempt_count: 101, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz.5.116/6155:
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock include/linux/mmap_lock.h:536 [inline]
#0: ffff88807e901078 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2d8/0x9f0 mm/mmap.c:1308
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:938 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid include/linux/mmzone.h:2270 [inline]
#1: ffffffff8eb59e20 (rcu_read_lock_sched){....}-{1:2}, at: __virt_addr_valid+0x137/0x390 arch/x86/mm/physaddr.c:54
#2: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745
Preemption disabled at:
[] rcu_read_lock_sched include/linux/rcupdate.h:935 [inline]
[] pfn_valid include/linux/mmzone.h:2270 [inline]
[] __virt_addr_valid+0x130/0x390 arch/x86/mm/physaddr.c:54
CPU: 0 UID: 0 PID: 6155 Comm: syz.5.116 Tainted: G W syzkaller #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
__might_resched+0x378/0x4d0 kernel/sched/core.c:9197
__synchronize_srcu+0x1a1/0x2f0 kernel/rcu/srcutree.c:1491
wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]
wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237
mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69
device_release+0xc4/0x1f0 drivers/base/core.c:-1
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x222/0x550 lib/kobject.c:737
call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_unlock_sched include/linux/rcupdate.h:960 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:2280 [inline]
RIP: 0010:__virt_addr_valid+0x291/0x390 arch/x86/mm/physaddr.c:54
Code: eb 15 83 e3 3f 49 8d 7f 10 be 08 00 00 00 e8 96 57 bb 00 31 c0 49 0f a3 5f 10 0f 92 c0 eb 02 31 c0 89 c3 e8 71 e3 59 0a 85 c0 <74> 3a e8 28 8a 32 00 84 c0 75 31 e8 5f e3 59 0a 85 c0 74 28 80 3d
RSP: 0018:ffffc90006f17720 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888020703e80
RDX: 0000000094cbad87 RSI: ffffffff8c4bd660 RDI: ffffffff8c4bd620
RBP: 000000000021a310 R08: ffffffff81795627 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8eb59e20 R12: dffffc0000000000
R13: 00000000000001e0 R14: ffffffff81795627 R15: ffff88813fe531e0
kasan_addr_to_slab+0xf/0x70 mm/kasan/common.c:47
kasan_record_aux_stack+0xf/0xd0 mm/kasan/generic.c:541
slab_free_hook mm/slub.c:2638 [inline]
slab_free mm/slub.c:6377 [inline]
kmem_cache_free+0x44f/0x650 mm/slub.c:6504
tear_down_vmas+0x312/0x520 mm/mmap.c:1262
exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320
__mmput+0x118/0x420 kernel/fork.c:1187
exit_mm+0x221/0x2d0 kernel/exit.c:615
do_exit+0x6cd/0x2360 kernel/exit.c:997
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x750 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f35b9e0d9
Code: Unable to access opcode bytes at 0x7f9f35b9e0af.
RSP: 002b:00007f9f33df60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f35e25fa8 RCX: 00007f9f35b9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f35e25fa8
RBP: 00007f9f35e25fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f35e26038 R14: 00007ffc7f200020 R15: 00007ffc7f200108
ODEBUG: object ffffc90000007a80 is NOT on stack ffffc90006f10000, but annotated.
======================================================
----------------
Code disassembly (best guess):
0: eb 15 jmp 0x17
2: 83 e3 3f and $0x3f,%ebx
5: 49 8d 7f 10 lea 0x10(%r15),%rdi
9: be 08 00 00 00 mov $0x8,%esi
e: e8 96 57 bb 00 call 0xbb57a9
13: 31 c0 xor %eax,%eax
15: 49 0f a3 5f 10 bt %rbx,0x10(%r15)
1a: 0f 92 c0 setb %al
1d: eb 02 jmp 0x21
1f: 31 c0 xor %eax,%eax
21: 89 c3 mov %eax,%ebx
23: e8 71 e3 59 0a call 0xa59e399
28: 85 c0 test %eax,%eax
* 2a: 74 3a je 0x66 <-- trapping instruction
2c: e8 28 8a 32 00 call 0x328a59
31: 84 c0 test %al,%al
33: 75 31 jne 0x66
35: e8 5f e3 59 0a call 0xa59e399
3a: 85 c0 test %eax,%eax
3c: 74 28 je 0x66
3e: 80 .byte 0x80
3f: 3d .byte 0x3d