Node 0 DMA32 free:43884kB min:28112kB low:35140kB high:42168kB active_anon:2696436kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2894096kB mlocked:0kB kernel_stack:30656kB pagetables:25768kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3945 3945 3945 Node 0 Normal free:41868kB min:39312kB low:49140kB high:58968kB active_anon:3105088kB inactive_anon:18304kB active_file:392kB inactive_file:124kB unevictable:0kB writepending:28kB present:5242880kB managed:4040196kB mlocked:0kB kernel_stack:83520kB pagetables:70836kB bounce:0kB free_pcp:896kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 ================================ WARNING: inconsistent lock state 4.14.212-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor606/14037 [HC0[0]:SC1[1]:HE1:SE0] takes: (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] sco_sock_timeout+0x1e/0x110 net/bluetooth/sco.c:82 {SOFTIRQ-ON-W} state was registered at: mark_irqflags kernel/locking/lockdep.c:3090 [inline] __lock_acquire+0x6d9/0x42d0 kernel/locking/lockdep.c:3448 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sco_conn_del+0xad/0x170 net/bluetooth/sco.c:175 sco_disconn_cfm+0x56/0x90 net/bluetooth/sco.c:1134 hci_disconn_cfm include/net/bluetooth/hci_core.h:1226 [inline] hci_conn_hash_flush+0x114/0x230 net/bluetooth/hci_conn.c:1393 hci_dev_do_close+0x4cf/0xc10 net/bluetooth/hci_core.c:1620 hci_unregister_dev+0x167/0x870 net/bluetooth/hci_core.c:3191 vhci_release+0x6b/0xe0 drivers/bluetooth/hci_vhci.c:354 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath+0x232/0x2b0 arch/x86/entry/common.c:270 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:397 irq event stamp: 5194 hardirqs last enabled at (5194): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (5194): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:200 hardirqs last disabled at (5193): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (5193): [] _raw_spin_lock_irq+0x3c/0x90 kernel/locking/spinlock.c:168 softirqs last enabled at (5138): [] __do_softirq+0x659/0x9b5 kernel/softirq.c:314 softirqs last disabled at (5187): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (5187): [] irq_exit+0x15f/0x1a0 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(slock-AF_BLUETOOTH-BTPROTO_SCO); lock(slock-AF_BLUETOOTH-BTPROTO_SCO); *** DEADLOCK *** 3 locks held by syz-executor606/14037: #0: (oom_lock){+.+.}, at: [] __alloc_pages_may_oom mm/page_alloc.c:3298 [inline] #0: (oom_lock){+.+.}, at: [] __alloc_pages_slowpath mm/page_alloc.c:4040 [inline] #0: (oom_lock){+.+.}, at: [] __alloc_pages_nodemask+0x126c/0x2740 mm/page_alloc.c:4205 #1: (console_lock){+.+.}, at: [] console_trylock_spinning kernel/printk/printk.c:1650 [inline] #1: (console_lock){+.+.}, at: [] vprintk_emit+0x1ab/0x4e0 kernel/printk/printk.c:1922 #2: (((&sk->sk_timer))){+.-.}, at: [] lockdep_copy_map include/linux/lockdep.h:174 [inline] #2: (((&sk->sk_timer))){+.-.}, at: [] call_timer_fn+0xc0/0x570 kernel/time/timer.c:1270 stack backtrace: CPU: 1 PID: 14037 Comm: syz-executor606 Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 print_usage_bug.cold.46+0x433/0x563 kernel/locking/lockdep.c:2589 valid_state kernel/locking/lockdep.c:2602 [inline] mark_lock_irq kernel/locking/lockdep.c:2796 [inline] mark_lock+0xc00/0x11a0 kernel/locking/lockdep.c:3194 mark_irqflags kernel/locking/lockdep.c:3072 [inline] __lock_acquire+0x1241/0x42d0 kernel/locking/lockdep.c:3448 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sco_sock_timeout+0x1e/0x110 net/bluetooth/sco.c:82 call_timer_fn+0x142/0x570 kernel/time/timer.c:1280 expire_timers+0x299/0x440 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1cd/0x540 kernel/time/timer.c:1650 __do_softirq+0x246/0x9b5 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x15f/0x1a0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x145/0x5d0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:console_unlock+0xabf/0xe50 kernel/printk/printk.c:2408 RSP: 0018:ffff8881cb1ff220 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1099 RBX: 0000000000000200 RCX: 1ffff1103548b1e2 RDX: 0000000000000000 RSI: ffff8881aa458ef0 RDI: 0000000000000282 RBP: ffff8881cb1ff298 R08: ffff8881aa458f10 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff8961c320 R15: ffffffff8961c2f0 vprintk_emit+0x32f/0x4e0 kernel/printk/printk.c:1923 vprintk_default+0x1a/0x20 kernel/printk/printk.c:1963 vprintk_func+0x49/0x12c kernel/printk/printk_safe.c:401 printk+0x91/0xab kernel/printk/printk.c:1996 show_free_areas.cold.36+0x124a/0x1325 mm/page_alloc.c:4818 show_mem+0x3c/0x15c lib/show_mem.c:18 dump_header+0x1bd/0x6e3 mm/oom_kill.c:428 oom_kill_process.cold.5+0xb/0xb10 mm/oom_kill.c:863 out_of_memory+0x2b0/0x1010 mm/oom_kill.c:1086 __alloc_pages_may_oom mm/page_alloc.c:3351 [inline] __alloc_pages_slowpath mm/page_alloc.c:4040 [inline] __alloc_pages_nodemask+0x238e/0x2740 mm/page_alloc.c:4205 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x80/0x400 mm/slab.c:2676 fallback_alloc+0x203/0x2c0 mm/slab.c:3217 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3285 slab_alloc_node mm/slab.c:3325 [inline] kmem_cache_alloc_node+0xe6/0x400 mm/slab.c:3640 alloc_task_struct_node kernel/fork.c:156 [inline] dup_task_struct kernel/fork.c:515 [inline] copy_process.part.5+0x10b1/0x6e70 kernel/fork.c:1630 copy_process kernel/fork.c:1614 [inline] _do_fork+0x162/0xc70 kernel/fork.c:2091 SYSC_clone kernel/fork.c:2201 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2195 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x449c49 RSP: 002b:00007ffda199e3b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fbdec7ea700 RCX: 0000000000449c49 RDX: 00007fbdec7ea9d0 RSI: 00007fbdec7e9e70 RDI: 00000000003d0f00 RBP: 00007ffda199e580 R08: 00007fbdec7ea700 R09: 00007fbdec7ea700 R10: 00007fbdec7ea9d0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffda199e46f R14: 00007fbdec7ea9c0 R15: 0000000000000064 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 5*4kB (UME) 5*8kB (UME) 3*16kB (UE) 4*32kB (U) 4*64kB (UE) 1*128kB (U) 1*256kB (U) 2*512kB (UE) 1*1024kB (M) 2*2048kB (UE) 9*4096kB (M) = 43884kB Node 0 Normal: 19*4kB (UME) 179*8kB (UME) 872*16kB (UME) 211*32kB (UME) 102*64kB (M) 35*128kB (ME) 0*256kB 1*512kB (U) 1*1024kB (U) 3*2048kB (M) 0*4096kB = 40900kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 5327 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 359501 pages reserved 0 pages cma reserved Out of memory: Kill process 2933 (syz-executor606) score 999 or sacrifice child Killed process 2933 (syz-executor606) total-vm:25928kB, anon-rss:2112kB, file-rss:24kB, shmem-rss:0kB oom_reaper: reaped process 2933 (syz-executor606), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor606 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 syz-executor606 cpuset=/ mems_allowed=0 CPU: 1 PID: 14135 Comm: syz-executor606 Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 dump_header+0x160/0x6e3 mm/oom_kill.c:424 oom_kill_process.cold.5+0xb/0xb10 mm/oom_kill.c:863 out_of_memory+0x2b0/0x1010 mm/oom_kill.c:1086 __alloc_pages_may_oom mm/page_alloc.c:3351 [inline] __alloc_pages_slowpath mm/page_alloc.c:4040 [inline] __alloc_pages_nodemask+0x238e/0x2740 mm/page_alloc.c:4205 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x80/0x400 mm/slab.c:2676 fallback_alloc+0x203/0x2c0 mm/slab.c:3217 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3285 slab_alloc_node mm/slab.c:3325 [inline] kmem_cache_alloc_node+0xe6/0x400 mm/slab.c:3640 alloc_task_struct_node kernel/fork.c:156 [inline] dup_task_struct kernel/fork.c:515 [inline] copy_process.part.5+0x10b1/0x6e70 kernel/fork.c:1630 copy_process kernel/fork.c:1614 [inline] _do_fork+0x162/0xc70 kernel/fork.c:2091 SYSC_clone kernel/fork.c:2201 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2195 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4472b9 RSP: 002b:00007fbdec82bd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 00000000004472b9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000180000105 RBP: 00000000006dcc20 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c R13: 00007ffda199e46f R14: 00007fbdec82c9c0 R15: 0000000000000064 Mem-Info: active_anon:1450551 inactive_anon:4576 isolated_anon:0 active_file:14 inactive_file:56 isolated_file:10 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:25218 slab_unreclaimable:130462 mapped:1162 shmem:4685 pagetables:24227 bounce:0 free:25219 free_pcp:143 free_cma:0 Node 0 active_anon:5802204kB inactive_anon:18304kB active_file:56kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):176kB mapped:4964kB dirty:0kB writeback:0kB shmem:18740kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5609472kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:152kB low:188kB high:224kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2821 6766 6766 6766 Node 0 DMA32 free:43884kB min:28112kB low:35140kB high:42168kB active_anon:2696436kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2894096kB mlocked:0kB kernel_stack:30656kB pagetables:25768kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3945 3945 3945 Node 0 Normal free:40416kB min:39312kB low:49140kB high:58968kB active_anon:3105768kB inactive_anon:18304kB active_file:560kB inactive_file:448kB unevictable:0kB writepending:0kB present:5242880kB managed:4040196kB mlocked:0kB kernel_stack:83840kB pagetables:71140kB bounce:0kB free_pcp:828kB local_pcp:308kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 5*4kB (UME) 5*8kB (UME) 3*16kB (UE) 4*32kB (U) 4*64kB (UE) 1*128kB (U) 1*256kB (U) 2*512kB (UE) 1*1024kB (M) 2*2048kB (UE) 9*4096kB (M) = 43884kB Node 0 Normal: 2*4kB (UH) 191*8kB (UMEH) 923*16kB (UMEH) 204*32kB (UME) 103*64kB (ME) 34*128kB (M) 1*256kB (U) 0*512kB 1*1024kB (U) 3*2048kB (M) 0*4096kB = 41200kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 4786 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 359501 pages reserved 0 pages cma reserved Out of memory: Kill process 14140 (syz-executor606) score 999 or sacrifice child Killed process 14140 (syz-executor606) total-vm:25924kB, anon-rss:2116kB, file-rss:28kB, shmem-rss:0kB syz-executor606 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 syz-executor606 cpuset=/ mems_allowed=0 CPU: 1 PID: 14215 Comm: syz-executor606 Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 dump_header+0x160/0x6e3 mm/oom_kill.c:424 oom_kill_process.cold.5+0xb/0xb10 mm/oom_kill.c:863 out_of_memory+0x2b0/0x1010 mm/oom_kill.c:1086 __alloc_pages_may_oom mm/page_alloc.c:3351 [inline] __alloc_pages_slowpath mm/page_alloc.c:4040 [inline] __alloc_pages_nodemask+0x238e/0x2740 mm/page_alloc.c:4205 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x80/0x400 mm/slab.c:2676 fallback_alloc+0x203/0x2c0 mm/slab.c:3217 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3285 slab_alloc_node mm/slab.c:3325 [inline] kmem_cache_alloc_node+0xe6/0x400 mm/slab.c:3640 alloc_task_struct_node kernel/fork.c:156 [inline] dup_task_struct kernel/fork.c:515 [inline] copy_process.part.5+0x10b1/0x6e70 kernel/fork.c:1630 copy_process kernel/fork.c:1614 [inline] _do_fork+0x162/0xc70 kernel/fork.c:2091 SYSC_clone kernel/fork.c:2201 [inline] SyS_clone+0x14/0x20 kernel/fork.c:2195 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x449c49 RSP: 002b:00007ffda199e3b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fbdec80b700 RCX: 0000000000449c49 RDX: 00007fbdec80b9d0 RSI: 00007fbdec80ae70 RDI: 00000000003d0f00 RBP: 00007ffda199e580 R08: 00007fbdec80b700 R09: 00007fbdec80b700 R10: 00007fbdec80b9d0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffda199e46f R14: 00007fbdec80b9c0 R15: 0000000000000064 Mem-Info: active_anon:1450216 inactive_anon:4576 isolated_anon:0 active_file:0 inactive_file:122 isolated_file:27 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:25241 slab_unreclaimable:130538 mapped:1141 shmem:4685 pagetables:24310 bounce:0 free:25140 free_pcp:175 free_cma:0 Node 0 active_anon:5800864kB inactive_anon:18304kB active_file:0kB inactive_file:588kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:4664kB dirty:0kB writeback:0kB shmem:18740kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5607424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:15908kB min:152kB low:188kB high:224kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2821 6766 6766 6766 Node 0 DMA32 free:43884kB min:28112kB low:35140kB high:42168kB active_anon:2696436kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2894096kB mlocked:0kB kernel_stack:30656kB pagetables:25768kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3945 3945 3945 Node 0 Normal free:39652kB min:39312kB low:49140kB high:58968kB active_anon:3104428kB inactive_anon:18304kB active_file:72kB inactive_file:1500kB unevictable:0kB writepending:0kB present:5242880kB managed:4040196kB mlocked:0kB kernel_stack:84160kB pagetables:71472kB bounce:0kB free_pcp:524kB local_pcp:148kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 5*4kB (UME) 5*8kB (UME) 3*16kB (UE) 4*32kB (U) 4*64kB (UE) 1*128kB (U) 1*256kB (U) 2*512kB (UE) 1*1024kB (M) 2*2048kB (UE) 9*4096kB (M) = 43884kB Node 0 Normal: 3*4kB (UEH) 7*8kB (UMH) 860*16kB (UMEH) 187*32kB (UME) 104*64kB (UME) 34*128kB (M) 1*256kB (E) 1*512kB (E) 2*1024kB (UE) 3*2048kB (M) 0*4096kB = 39780kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 5046 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 359501 pages reserved 0 pages cma reserved Out of memory: Kill process 2949 (syz-executor606) score 999 or sacrifice child Killed process 2949 (syz-executor606) total-vm:25928kB, anon-rss:2112kB, file-rss:16kB, shmem-rss:0kB