------------[ cut here ]------------ ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 Modules linked in: CPU: 1 PID: 11631 Comm: udevd Not tainted 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:508 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] pc : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 lr : debug_print_object lib/debugobjects.c:508 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] lr : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 sp : ffff800008017ad0 x29: ffff800008017b10 x28: ffff800011aaabc0 x27: dfff800000000000 x26: ffff0000dbfb8308 x25: 0000000000000001 x24: ffff800018672f18 x23: ffff0000c8b6a3b8 x22: ffff800011f40ef8 x21: ffff800011aaabc0 x20: ffff800018672f10 x19: ffff0000dbfb8000 x18: 0000000000000101 x17: ff808000083359dc x16: ffff800011948074 x15: ffff8000083359dc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000100 x11: ff8080000832c484 x10: 0000000000000000 x9 : dd18aea42a738a00 x8 : dd18aea42a738a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008017238 x4 : ffff8000149afce0 x3 : ffff80000854d4e0 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000044 Call trace: debug_print_object lib/debugobjects.c:508 [inline] __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x9c/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0x178/0x410 mm/slub.c:4559 qdisc_free net/sched/sch_generic.c:1001 [inline] qdisc_free_cb+0xac/0xcc net/sched/sch_generic.c:1008 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0x48/0x4dc kernel/sched/core.c:9591 __might_sleep+0x98/0xf0 kernel/sched/core.c:9579 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x58/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x98/0x45c mm/slub.c:3233 prepare_creds+0x44/0x730 kernel/cred.c:260 access_override_creds fs/open.c:352 [inline] do_faccessat+0xe0/0x7b4 fs/open.c:416 __do_sys_faccessat2 fs/open.c:476 [inline] __se_sys_faccessat2 fs/open.c:473 [inline] __arm64_sys_faccessat2+0x9c/0xb4 fs/open.c:473 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 99581 hardirqs last enabled at (99580): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (99581): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (99456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (99507): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (99507): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (99507): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace da4c63748556b982 ]--- ------------[ cut here ]------------ ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 Modules linked in: CPU: 1 PID: 11631 Comm: udevd Tainted: G W 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:508 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] pc : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 lr : debug_print_object lib/debugobjects.c:508 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] lr : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 sp : ffff800008017ad0 x29: ffff800008017b10 x28: ffff800011aaabc0 x27: dfff800000000000 x26: ffff0000dbfb8308 x25: 0000000000000001 x24: ffff800018672f18 x23: ffff0000c8b6a3b8 x22: ffff800011f40ef8 x21: ffff800011aaabc0 x20: ffff800018672f10 x19: ffff0000dbfb8000 x18: 0000000000000101 x17: ff808000083359dc x16: 0000000000000000 x15: ffff8000083359dc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000100 x11: ff8080000832c484 x10: 0000000000000000 x9 : dd18aea42a738a00 x8 : dd18aea42a738a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008017238 x4 : ffff8000149afce0 x3 : ffff800008335b28 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000044 Call trace: debug_print_object lib/debugobjects.c:508 [inline] __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x9c/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0x178/0x410 mm/slub.c:4559 qdisc_free net/sched/sch_generic.c:1001 [inline] qdisc_free_cb+0xac/0xcc net/sched/sch_generic.c:1008 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0x48/0x4dc kernel/sched/core.c:9591 __might_sleep+0x98/0xf0 kernel/sched/core.c:9579 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x58/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x98/0x45c mm/slub.c:3233 prepare_creds+0x44/0x730 kernel/cred.c:260 access_override_creds fs/open.c:352 [inline] do_faccessat+0xe0/0x7b4 fs/open.c:416 __do_sys_faccessat2 fs/open.c:476 [inline] __se_sys_faccessat2 fs/open.c:473 [inline] __arm64_sys_faccessat2+0x9c/0xb4 fs/open.c:473 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 99603 hardirqs last enabled at (99602): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (99603): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (99456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (99507): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (99507): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (99507): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace da4c63748556b983 ]--- ------------[ cut here ]------------ ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 Modules linked in: CPU: 1 PID: 11631 Comm: udevd Tainted: G W 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:508 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] pc : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 lr : debug_print_object lib/debugobjects.c:508 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] lr : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 sp : ffff800008017ad0 x29: ffff800008017b10 x28: ffff800011aaabc0 x27: dfff800000000000 x26: ffff0000dbfb8308 x25: 0000000000000001 x24: ffff800018672f18 x23: ffff0000c8b6a3b8 x22: ffff800011f40ef8 x21: ffff800011aaabc0 x20: ffff800018672f10 x19: ffff0000dbfb8000 x18: 0000000000000101 x17: ff808000083359dc x16: 0000000000000000 x15: ffff8000083359dc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000100 x11: ff8080000832c484 x10: 0000000000000000 x9 : dd18aea42a738a00 x8 : dd18aea42a738a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008017238 x4 : ffff8000149afce0 x3 : ffff800008335b28 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000044 Call trace: debug_print_object lib/debugobjects.c:508 [inline] __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x9c/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0x178/0x410 mm/slub.c:4559 qdisc_free net/sched/sch_generic.c:1001 [inline] qdisc_free_cb+0xac/0xcc net/sched/sch_generic.c:1008 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0x48/0x4dc kernel/sched/core.c:9591 __might_sleep+0x98/0xf0 kernel/sched/core.c:9579 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x58/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x98/0x45c mm/slub.c:3233 prepare_creds+0x44/0x730 kernel/cred.c:260 access_override_creds fs/open.c:352 [inline] do_faccessat+0xe0/0x7b4 fs/open.c:416 __do_sys_faccessat2 fs/open.c:476 [inline] __se_sys_faccessat2 fs/open.c:473 [inline] __arm64_sys_faccessat2+0x9c/0xb4 fs/open.c:473 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 99625 hardirqs last enabled at (99624): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (99625): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (99456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (99507): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (99507): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (99507): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace da4c63748556b984 ]--- ------------[ cut here ]------------ ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 Modules linked in: CPU: 1 PID: 11631 Comm: udevd Tainted: G W 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:508 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] pc : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 lr : debug_print_object lib/debugobjects.c:508 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] lr : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 sp : ffff800008017ad0 x29: ffff800008017b10 x28: ffff800011aaabc0 x27: dfff800000000000 x26: ffff0000dbfb8308 x25: 0000000000000001 x24: ffff800018672f18 x23: ffff0000c8b6a3b8 x22: ffff800011f40ef8 x21: ffff800011aaabc0 x20: ffff800018672f10 x19: ffff0000dbfb8000 x18: 0000000000000101 x17: ff808000083359dc x16: 0000000000000000 x15: ffff8000083359dc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000100 x11: ff8080000832c484 x10: 0000000000000000 x9 : dd18aea42a738a00 x8 : dd18aea42a738a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008017238 x4 : ffff8000149afce0 x3 : ffff800008335b28 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000044 Call trace: debug_print_object lib/debugobjects.c:508 [inline] __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x9c/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0x178/0x410 mm/slub.c:4559 qdisc_free net/sched/sch_generic.c:1001 [inline] qdisc_free_cb+0xac/0xcc net/sched/sch_generic.c:1008 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0x48/0x4dc kernel/sched/core.c:9591 __might_sleep+0x98/0xf0 kernel/sched/core.c:9579 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x58/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x98/0x45c mm/slub.c:3233 prepare_creds+0x44/0x730 kernel/cred.c:260 access_override_creds fs/open.c:352 [inline] do_faccessat+0xe0/0x7b4 fs/open.c:416 __do_sys_faccessat2 fs/open.c:476 [inline] __se_sys_faccessat2 fs/open.c:473 [inline] __arm64_sys_faccessat2+0x9c/0xb4 fs/open.c:473 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 99649 hardirqs last enabled at (99648): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (99649): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (99456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (99507): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (99507): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (99507): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace da4c63748556b985 ]--- ------------[ cut here ]------------ ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] WARNING: CPU: 1 PID: 11631 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 Modules linked in: CPU: 1 PID: 11631 Comm: udevd Tainted: G W 5.15.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:508 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] pc : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 lr : debug_print_object lib/debugobjects.c:508 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] lr : debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 sp : ffff800008017ad0 x29: ffff800008017b10 x28: ffff800011aaabc0 x27: dfff800000000000 x26: ffff0000dbfb8308 x25: 0000000000000001 x24: ffff800018672f18 x23: ffff0000c8b6a3b8 x22: ffff800011f40ef8 x21: ffff800011aaabc0 x20: ffff800018672f10 x19: ffff0000dbfb8000 x18: 0000000000000101 x17: ff808000083359dc x16: 0000000000000000 x15: ffff8000083359dc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000100 x11: ff8080000832c484 x10: 0000000000000000 x9 : dd18aea42a738a00 x8 : dd18aea42a738a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008017238 x4 : ffff8000149afce0 x3 : ffff800008335b28 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000044 Call trace: debug_print_object lib/debugobjects.c:508 [inline] __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline] debug_check_no_obj_freed+0x3f0/0x50c lib/debugobjects.c:1046 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x9c/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0x178/0x410 mm/slub.c:4559 qdisc_free net/sched/sch_generic.c:1001 [inline] qdisc_free_cb+0xac/0xcc net/sched/sch_generic.c:1008 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0x48/0x4dc kernel/sched/core.c:9591 __might_sleep+0x98/0xf0 kernel/sched/core.c:9579 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x58/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x98/0x45c mm/slub.c:3233 prepare_creds+0x44/0x730 kernel/cred.c:260 access_override_creds fs/open.c:352 [inline] do_faccessat+0xe0/0x7b4 fs/open.c:416 __do_sys_faccessat2 fs/open.c:476 [inline] __se_sys_faccessat2 fs/open.c:473 [inline] __arm64_sys_faccessat2+0x9c/0xb4 fs/open.c:473 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 99673 hardirqs last enabled at (99672): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (99673): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (99456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (99507): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (99507): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (99507): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace da4c63748556b986 ]---