============================= WARNING: suspicious RCU usage syzkaller #0 Not tainted ----------------------------- kernel/sched/core.c:9226 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 locks held by syz-executor/5604: 9, last CPU#0: #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm kernel/fork.c:1595 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_process+0x4816/0x8380 kernel/fork.c:2311 #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x127/0x2370 mm/mmap.c:1716 #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1c9/0x2370 mm/mmap.c:1723 #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:347 [inline] #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x10f/0x320 mm/pgtable-generic.c:404 #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pte_range mm/memory.c:1354 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pmd_range mm/memory.c:1490 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pud_range mm/memory.c:1527 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_p4d_range mm/memory.c:1551 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_page_range+0xfd0/0x57c0 mm/memory.c:1637 #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid+0xbc/0x4b0 include/linux/mmzone.h:2276 #8: ffffc90000007c98 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11d/0x5f0 kernel/time/timer.c:1745 stack backtrace: CPU: 0 UID: 0 PID: 5604 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 lockdep_rcu_suspicious.cold+0x4f/0xb2 kernel/locking/lockdep.c:6972 __might_resched+0x2d9/0x330 kernel/sched/core.c:9226 __cancel_work_sync kernel/workqueue.c:4561 [inline] cancel_delayed_work_sync+0xb8/0xf0 kernel/workqueue.c:4642 mmc_free_host+0x19/0x40 drivers/mmc/core/host.c:700 vub300_delete drivers/mmc/host/vub300.c:379 [inline] kref_put include/linux/kref.h:65 [inline] vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline] vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x757/0xb00 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2395 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947 Code: 05 8f 1e a6 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 9e e5 5d 10 0f 82 c9 02 00 00 8b 35 3e 17 5e 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 2d 1e a6 13 0f 85 09 03 00 00 48 83 c4 RSP: 0018:ffffc900042df350 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 0000000000000003 RSI: ffffffff8e3bd2b4 RDI: ffffffff8c625580 RBP: ffffffff8fdec520 R08: 00000000f0e92633 R09: 000000000000001e R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2276 page_table_check_set+0x25/0x580 mm/page_table_check.c:105 __page_table_check_ptes_set+0x2c0/0x530 mm/page_table_check.c:223 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] set_ptes include/linux/pgtable.h:447 [inline] __copy_present_ptes mm/memory.c:1200 [inline] copy_present_ptes mm/memory.c:1279 [inline] copy_pte_range mm/memory.c:1402 [inline] copy_pmd_range mm/memory.c:1490 [inline] copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0x21c4/0x57c0 mm/memory.c:1637 dup_mmap+0x1230/0x2370 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4821/0x8380 kernel/fork.c:2311 kernel_clone+0x176/0x9d0 kernel/fork.c:2771 __do_sys_clone+0xd9/0x120 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d7e1c6d52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd51e40ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd51e40ee0 RCX: 00007f5d7e1c6d52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd51e4106c R08: 0000000000000000 R09: 0000000000000001 R10: 000055557b5a77d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000017d40 R15: 00007ffd51e410c0 BUG: sleeping function called from invalid context at kernel/workqueue.c:4561 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5604, name: syz-executor preempt_count: 103, expected: 0 RCU nest depth: 2, expected: 0 locks held by syz-executor/5604: 9, last CPU#0: #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm kernel/fork.c:1595 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_process+0x4816/0x8380 kernel/fork.c:2311 #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x127/0x2370 mm/mmap.c:1716 #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1c9/0x2370 mm/mmap.c:1723 #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:347 [inline] #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x10f/0x320 mm/pgtable-generic.c:404 #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pte_range mm/memory.c:1354 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pmd_range mm/memory.c:1490 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pud_range mm/memory.c:1527 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_p4d_range mm/memory.c:1551 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_page_range+0xfd0/0x57c0 mm/memory.c:1637 #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid+0xbc/0x4b0 include/linux/mmzone.h:2276 #8: ffffc90000007c98 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11d/0x5f0 kernel/time/timer.c:1745 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5604 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 __might_resched.cold+0x1dc/0x222 kernel/sched/core.c:9264 __cancel_work_sync kernel/workqueue.c:4561 [inline] cancel_delayed_work_sync+0xb8/0xf0 kernel/workqueue.c:4642 mmc_free_host+0x19/0x40 drivers/mmc/core/host.c:700 vub300_delete drivers/mmc/host/vub300.c:379 [inline] kref_put include/linux/kref.h:65 [inline] vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline] vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x757/0xb00 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2395 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947 Code: 05 8f 1e a6 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 9e e5 5d 10 0f 82 c9 02 00 00 8b 35 3e 17 5e 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 2d 1e a6 13 0f 85 09 03 00 00 48 83 c4 RSP: 0018:ffffc900042df350 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 0000000000000003 RSI: ffffffff8e3bd2b4 RDI: ffffffff8c625580 RBP: ffffffff8fdec520 R08: 00000000f0e92633 R09: 000000000000001e R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2276 page_table_check_set+0x25/0x580 mm/page_table_check.c:105 __page_table_check_ptes_set+0x2c0/0x530 mm/page_table_check.c:223 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] set_ptes include/linux/pgtable.h:447 [inline] __copy_present_ptes mm/memory.c:1200 [inline] copy_present_ptes mm/memory.c:1279 [inline] copy_pte_range mm/memory.c:1402 [inline] copy_pmd_range mm/memory.c:1490 [inline] copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0x21c4/0x57c0 mm/memory.c:1637 dup_mmap+0x1230/0x2370 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4821/0x8380 kernel/fork.c:2311 kernel_clone+0x176/0x9d0 kernel/fork.c:2771 __do_sys_clone+0xd9/0x120 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d7e1c6d52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd51e40ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd51e40ee0 RCX: 00007f5d7e1c6d52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd51e4106c R08: 0000000000000000 R09: 0000000000000001 R10: 000055557b5a77d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000017d40 R15: 00007ffd51e410c0 ============================= WARNING: suspicious RCU usage syzkaller #0 Tainted: G W ----------------------------- kernel/rcu/srcutree.c:1464 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 locks held by syz-executor/5604: 9, last CPU#0: #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm kernel/fork.c:1595 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_process+0x4816/0x8380 kernel/fork.c:2311 #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x127/0x2370 mm/mmap.c:1716 #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1c9/0x2370 mm/mmap.c:1723 #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:347 [inline] #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x10f/0x320 mm/pgtable-generic.c:404 #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pte_range mm/memory.c:1354 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pmd_range mm/memory.c:1490 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pud_range mm/memory.c:1527 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_p4d_range mm/memory.c:1551 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_page_range+0xfd0/0x57c0 mm/memory.c:1637 #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid+0xbc/0x4b0 include/linux/mmzone.h:2276 #8: ffffc90000007c98 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11d/0x5f0 kernel/time/timer.c:1745 stack backtrace: CPU: 0 UID: 0 PID: 5604 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 lockdep_rcu_suspicious.cold+0x4f/0xb2 kernel/locking/lockdep.c:6972 __synchronize_srcu+0x29d/0x300 kernel/rcu/srcutree.c:1464 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister.part.0+0x12c/0x540 drivers/base/power/wakeup.c:237 wakeup_source_unregister+0x1f/0x30 drivers/base/power/wakeup.c:236 mmc_host_classdev_release+0x42/0x120 drivers/mmc/core/host.c:69 device_release+0xd2/0x270 drivers/base/core.c:2640 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1f7/0x640 lib/kobject.c:737 put_device+0x1f/0x30 drivers/base/core.c:3884 vub300_delete drivers/mmc/host/vub300.c:379 [inline] kref_put include/linux/kref.h:65 [inline] vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline] vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x757/0xb00 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2395 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947 Code: 05 8f 1e a6 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 9e e5 5d 10 0f 82 c9 02 00 00 8b 35 3e 17 5e 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 2d 1e a6 13 0f 85 09 03 00 00 48 83 c4 RSP: 0018:ffffc900042df350 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 0000000000000003 RSI: ffffffff8e3bd2b4 RDI: ffffffff8c625580 RBP: ffffffff8fdec520 R08: 00000000f0e92633 R09: 000000000000001e R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2276 page_table_check_set+0x25/0x580 mm/page_table_check.c:105 __page_table_check_ptes_set+0x2c0/0x530 mm/page_table_check.c:223 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] set_ptes include/linux/pgtable.h:447 [inline] __copy_present_ptes mm/memory.c:1200 [inline] copy_present_ptes mm/memory.c:1279 [inline] copy_pte_range mm/memory.c:1402 [inline] copy_pmd_range mm/memory.c:1490 [inline] copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0x21c4/0x57c0 mm/memory.c:1637 dup_mmap+0x1230/0x2370 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4821/0x8380 kernel/fork.c:2311 kernel_clone+0x176/0x9d0 kernel/fork.c:2771 __do_sys_clone+0xd9/0x120 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d7e1c6d52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd51e40ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd51e40ee0 RCX: 00007f5d7e1c6d52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd51e4106c R08: 0000000000000000 R09: 0000000000000001 R10: 000055557b5a77d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000017d40 R15: 00007ffd51e410c0 BUG: sleeping function called from invalid context at kernel/rcu/srcutree.c:1472 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5604, name: syz-executor preempt_count: 103, expected: 0 RCU nest depth: 2, expected: 0 locks held by syz-executor/5604: 9, last CPU#0: #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm kernel/fork.c:1595 [inline] #0: ffffffff8ff3de50 (dup_mmap_sem){.+.+}-{0:0}, at: copy_process+0x4816/0x8380 kernel/fork.c:2311 #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88802c734080 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x127/0x2370 mm/mmap.c:1716 #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b85c080 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1c9/0x2370 mm/mmap.c:1723 #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:347 [inline] #4: ffff88802ea16e58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x10f/0x320 mm/pgtable-generic.c:404 #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8fdec5e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pte_range mm/memory.c:1354 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pmd_range mm/memory.c:1490 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pud_range mm/memory.c:1527 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_p4d_range mm/memory.c:1551 [inline] #6: ffff888065303f18 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_page_range+0xfd0/0x57c0 mm/memory.c:1637 #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] #7: ffffffff8fdec520 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid+0xbc/0x4b0 include/linux/mmzone.h:2276 #8: ffffc90000007c98 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11d/0x5f0 kernel/time/timer.c:1745 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5604 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 __might_resched.cold+0x1dc/0x222 kernel/sched/core.c:9264 __synchronize_srcu+0x13c/0x300 kernel/rcu/srcutree.c:1472 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister.part.0+0x12c/0x540 drivers/base/power/wakeup.c:237 wakeup_source_unregister+0x1f/0x30 drivers/base/power/wakeup.c:236 mmc_host_classdev_release+0x42/0x120 drivers/mmc/core/host.c:69 device_release+0xd2/0x270 drivers/base/core.c:2640 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1f7/0x640 lib/kobject.c:737 put_device+0x1f/0x30 drivers/base/core.c:3884 vub300_delete drivers/mmc/host/vub300.c:379 [inline] kref_put include/linux/kref.h:65 [inline] vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline] vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x757/0xb00 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2395 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947 Code: 05 8f 1e a6 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 9e e5 5d 10 0f 82 c9 02 00 00 8b 35 3e 17 5e 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 2d 1e a6 13 0f 85 09 03 00 00 48 83 c4 RSP: 0018:ffffc900042df350 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 0000000000000003 RSI: ffffffff8e3bd2b4 RDI: ffffffff8c625580 RBP: ffffffff8fdec520 R08: 00000000f0e92633 R09: 000000000000001e R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2276 page_table_check_set+0x25/0x580 mm/page_table_check.c:105 __page_table_check_ptes_set+0x2c0/0x530 mm/page_table_check.c:223 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] set_ptes include/linux/pgtable.h:447 [inline] __copy_present_ptes mm/memory.c:1200 [inline] copy_present_ptes mm/memory.c:1279 [inline] copy_pte_range mm/memory.c:1402 [inline] copy_pmd_range mm/memory.c:1490 [inline] copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0x21c4/0x57c0 mm/memory.c:1637 dup_mmap+0x1230/0x2370 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4821/0x8380 kernel/fork.c:2311 kernel_clone+0x176/0x9d0 kernel/fork.c:2771 __do_sys_clone+0xd9/0x120 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d7e1c6d52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd51e40ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd51e40ee0 RCX: 00007f5d7e1c6d52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd51e4106c R08: 0000000000000000 R09: 0000000000000001 R10: 000055557b5a77d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000017d40 R15: 00007ffd51e410c0 ODEBUG: object ffffc90000007a60 is NOT on stack ffffc900042d8000, but annotated. ------------[ cut here ]------------ 1 WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#0: syz-executor/5604 WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc.part.0.cold+0x19/0x40 lib/debugobjects.c:705, CPU#0: syz-executor/5604 Modules linked in: CPU: 0 UID: 0 PID: 5604 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:672 [inline] RIP: 0010:lookup_object_or_alloc.part.0.cold+0x19/0x40 lib/debugobjects.c:705 Code: c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 83 c5 01 89 2d 30 25 7e 1b 4c 89 e6 48 c7 c7 c0 60 62 8c e8 31 aa eb ff 90 <0f> 0b 90 e9 52 14 00 04 83 c5 01 89 2d 0f 25 7e 1b 49 39 c4 73 da RSP: 0018:ffffc900000078f0 EFLAGS: 00010082 RAX: 0000000000000050 RBX: ffff888059f8eb98 RCX: 0000000000000000 RDX: 0000000000000050 RSI: ffffffff81ea44f9 RDI: fffff52000000f0f RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000104 R11: 0000000000000001 R12: ffffc90000007a60 R13: ffff888034950000 R14: 0000000000000001 R15: 0000000000000000 FS: 000055557b5a7500(0000) GS:ffff888122946000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5d7ef556c8 CR3: 00000000614a3000 CR4: 00000000003526f0 Call Trace: lookup_object_or_alloc lib/debugobjects.c:682 [inline] __debug_object_init+0x2a9/0x3d0 lib/debugobjects.c:798 __synchronize_srcu+0x1c3/0x300 kernel/rcu/srcutree.c:1475 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister.part.0+0x12c/0x540 drivers/base/power/wakeup.c:237 wakeup_source_unregister+0x1f/0x30 drivers/base/power/wakeup.c:236 mmc_host_classdev_release+0x42/0x120 drivers/mmc/core/host.c:69 device_release+0xd2/0x270 drivers/base/core.c:2640 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1f7/0x640 lib/kobject.c:737 put_device+0x1f/0x30 drivers/base/core.c:3884 vub300_delete drivers/mmc/host/vub300.c:379 [inline] kref_put include/linux/kref.h:65 [inline] vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline] vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x757/0xb00 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2395 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947 Code: 05 8f 1e a6 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 9e e5 5d 10 0f 82 c9 02 00 00 8b 35 3e 17 5e 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 2d 1e a6 13 0f 85 09 03 00 00 48 83 c4 RSP: 0018:ffffc900042df350 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 0000000000000003 RSI: ffffffff8e3bd2b4 RDI: ffffffff8c625580 RBP: ffffffff8fdec520 R08: 00000000f0e92633 R09: 000000000000001e R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock_sched include/linux/rcupdate.h:947 [inline] pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2276 page_table_check_set+0x25/0x580 mm/page_table_check.c:105 __page_table_check_ptes_set+0x2c0/0x530 mm/page_table_check.c:223 page_table_check_ptes_set include/linux/page_table_check.h:83 [inline] set_ptes include/linux/pgtable.h:447 [inline] __copy_present_ptes mm/memory.c:1200 [inline] copy_present_ptes mm/memory.c:1279 [inline] copy_pte_range mm/memory.c:1402 [inline] copy_pmd_range mm/memory.c:1490 [inline] copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0x21c4/0x57c0 mm/memory.c:1637 dup_mmap+0x1230/0x2370 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4821/0x8380 kernel/fork.c:2311 kernel_clone+0x176/0x9d0 kernel/fork.c:2771 __do_sys_clone+0xd9/0x120 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d7e1c6d52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd51e40ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd51e40ee0 RCX: 00007f5d7e1c6d52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd51e4106c R08: 0000000000000000 R09: 0000000000000001 R10: 000055557b5a77d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000017d40 R15: 00007ffd51e410c0 ---------------- Code disassembly (best guess): 0: 05 8f 1e a6 13 add $0x13a61e8f,%eax 5: 83 f8 07 cmp $0x7,%eax 8: 0f 87 da 00 00 00 ja 0xe8 e: 48 0f a3 05 9e e5 5d bt %rax,0x105de59e(%rip) # 0x105de5b4 15: 10 16: 0f 82 c9 02 00 00 jb 0x2e5 1c: 8b 35 3e 17 5e 10 mov 0x105e173e(%rip),%esi # 0x105e1760 22: 85 f6 test %esi,%esi 24: 0f 85 c7 00 00 00 jne 0xf1 * 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction 2f: 65 48 2b 05 2d 1e a6 sub %gs:0x13a61e2d(%rip),%rax # 0x13a61e64 36: 13 37: 0f 85 09 03 00 00 jne 0x346 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4