Extracting prog: 3m56.957080363s Minimizing prog: 31m37.010624406s Simplifying prog options: 12m21.56400183s Extracting C: 5m14.047756986s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program crashed: WARNING: locking bug in __set_page_owner single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x9, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash reproducing took 53m9.579488552s repro crashed as (corrupted=false): ============================= [ BUG: Invalid wait context ] 6.13.0-rc1-syzkaller-00268-g7ea2745766d7 #0 Not tainted ----------------------------- syz-execprog/5830 is trying to lock: ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline] ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline] ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x5cb/0x800 mm/page_owner.c:329 other info that might help us debug this: context-{2:2} 1 lock held by syz-execprog/5830: #0: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 stack backtrace: CPU: 1 UID: 0 PID: 5830 Comm: syz-execprog Not tainted 6.13.0-rc1-syzkaller-00268-g7ea2745766d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x5cb/0x800 mm/page_owner.c:329 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627 kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:544 task_work_add+0xd9/0x490 kernel/task_work.c:77 task_tick_numa kernel/sched/fair.c:3607 [inline] task_tick_fair+0x58c/0x7b0 kernel/sched/fair.c:13054 sched_tick+0x21e/0x660 kernel/sched/core.c:5652 update_process_times+0x276/0x2f0 kernel/time/timer.c:2524 tick_sched_handle kernel/time/tick-sched.c:276 [inline] tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x57f7dd Code: 00 4c 89 a4 24 80 00 00 00 48 8b 09 4f 8d 6c ad 00 4a 8d 14 e9 0f b6 12 4e 8d 24 e9 80 fa 03 0f 87 61 01 00 00 4c 89 6c 24 60 <48> 89 4c 24 78 80 fa 01 0f 86 f0 00 00 00 80 fa 02 75 79 46 8b 64 RSP: 002b:000000c000eb13f8 EFLAGS: 00000297 RAX: 000000c000028000 RBX: 000000c000028010 RCX: 000000c0016538c8 RDX: 0000000000000002 RSI: 000000c0007763e0 RDI: 00000000002c2d2a RBP: 000000c000eb1488 R08: 0000000000000004 R09: 0000000000000004 R10: 000000c000eb1598 R11: 0000000000000000 R12: 000000c001653968 R13: 0000000000000014 R14: 000000c0015216c0 R15: 0000000000000020 final repro crashed as (corrupted=false): ============================= [ BUG: Invalid wait context ] 6.13.0-rc1-syzkaller-00268-g7ea2745766d7 #0 Not tainted ----------------------------- syz-execprog/5830 is trying to lock: ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline] ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline] ffffffff8ea6a638 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x5cb/0x800 mm/page_owner.c:329 other info that might help us debug this: context-{2:2} 1 lock held by syz-execprog/5830: #0: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 stack backtrace: CPU: 1 UID: 0 PID: 5830 Comm: syz-execprog Not tainted 6.13.0-rc1-syzkaller-00268-g7ea2745766d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x5cb/0x800 mm/page_owner.c:329 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627 kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:544 task_work_add+0xd9/0x490 kernel/task_work.c:77 task_tick_numa kernel/sched/fair.c:3607 [inline] task_tick_fair+0x58c/0x7b0 kernel/sched/fair.c:13054 sched_tick+0x21e/0x660 kernel/sched/core.c:5652 update_process_times+0x276/0x2f0 kernel/time/timer.c:2524 tick_sched_handle kernel/time/tick-sched.c:276 [inline] tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x57f7dd Code: 00 4c 89 a4 24 80 00 00 00 48 8b 09 4f 8d 6c ad 00 4a 8d 14 e9 0f b6 12 4e 8d 24 e9 80 fa 03 0f 87 61 01 00 00 4c 89 6c 24 60 <48> 89 4c 24 78 80 fa 01 0f 86 f0 00 00 00 80 fa 02 75 79 46 8b 64 RSP: 002b:000000c000eb13f8 EFLAGS: 00000297 RAX: 000000c000028000 RBX: 000000c000028010 RCX: 000000c0016538c8 RDX: 0000000000000002 RSI: 000000c0007763e0 RDI: 00000000002c2d2a RBP: 000000c000eb1488 R08: 0000000000000004 R09: 0000000000000004 R10: 000000c000eb1598 R11: 0000000000000000 R12: 000000c001653968 R13: 0000000000000014 R14: 000000c0015216c0 R15: 0000000000000020