syzbot


INFO: rcu detected stall in kmem_cache_alloc

Status: auto-closed as invalid on 2019/11/21 14:53
Reported-by: syzbot+a7d29dc67a616708b7ad@syzkaller.appspotmail.com
First crash: 1959d, last: 1959d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in kmem_cache_alloc (2) 1 1758d 1758d 0/1 auto-closed as invalid on 2020/06/09 12:41

Sample crash report:
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338858 pages reserved
0 pages cma reserved
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10546 jiffies, g=301501, q=390)
rcu: All QSes seen, last rcu_preempt kthread activity 10546 (4295239645-4295229099), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.1  R  running task    26208 22874  19650 0x8000000e
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Call Trace:
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 <IRQ>
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 sched_show_task kernel/sched/core.c:5297 [inline]
 sched_show_task.cold+0x292/0x30b kernel/sched/core.c:5272
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline]
 check_cpu_stall kernel/rcu/tree.c:1557 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0xaa1/0xd93 kernel/rcu/tree.c:2682
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
 update_process_times+0x32/0x80 kernel/time/timer.c:1636
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:164
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1274
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x33b/0xdd0 kernel/time/hrtimer.c:1460
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
 smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1054
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
RSP: 0018:ffff8880ae907b70 EFLAGS: 00000282
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11014219d19
RDX: 0000000000000000 RSI: ffff8880a10ce8d0 RDI: 0000000000000282
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
RBP: ffff8880ae907bd8 R08: ffff8880a10ce000 R09: ffff8880a10ce8c8
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414
Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3
RSP: 0000:ffff888086a5f188 EFLAGS: 00000293
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 ORIG_RAX: ffffffffffffff13
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1
 netdev_alloc_skb include/linux/skbuff.h:2645 [inline]
 dev_alloc_skb include/linux/skbuff.h:2658 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293
RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
 printk+0xba/0xed kernel/printk/printk.c:2001
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 show_mem+0x16c/0x17b lib/show_mem.c:43
 dump_header+0x1ce/0x929 mm/oom_kill.c:445
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 out_of_memory mm/oom_kill.c:1129 [inline]
 out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline]
 __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1302 [inline]
 do_syslog kernel/printk/printk.c:1470 [inline]
 do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231
 __vfs_read+0x114/0x800 fs/read_write.c:416
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
 vfs_read+0x194/0x3d0 fs/read_write.c:452
RIP: 0033:0x459829
 ksys_read+0x14f/0x2d0 fs/read_write.c:579
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246
 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
 __do_sys_read fs/read_write.c:589 [inline]
 __se_sys_read fs/read_write.c:587 [inline]
 __x64_sys_read+0x73/0xb0 fs/read_write.c:587
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
RIP: 0033:0x7fe668eec1fd
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
Code: Bad RIP value.
rcu: rcu_preempt kthread starved for 10546 jiffies! g301501 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
RSP: 002b:00007fe66648be30 EFLAGS: 00000293
rcu: RCU grace-period kthread stack dump:
 ORIG_RAX: 0000000000000000
rcu_preempt     R
RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd
RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004
  running task    
RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000
29104    10      2 0x80000000
R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420
R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003
Call Trace:
aoe: skb alloc failure
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x80d/0x1c70 kernel/sched/core.c:3474
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
 mems_allowed=0-1
CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
 kthread+0x354/0x420 kernel/kthread.c:246
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
syz-executor.1 cpuset=
syz1
 mems_allowed=0-1
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414
Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3
RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1
RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293
RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0
 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
 printk+0xba/0xed kernel/printk/printk.c:2001
 show_mem+0x16c/0x17b lib/show_mem.c:43
 dump_header+0x1ce/0x929 mm/oom_kill.c:445
 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1129 [inline]
 out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline]
 __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1302 [inline]
 do_syslog kernel/printk/printk.c:1470 [inline]
 do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444
 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231
 __vfs_read+0x114/0x800 fs/read_write.c:416
 vfs_read+0x194/0x3d0 fs/read_write.c:452
 ksys_read+0x14f/0x2d0 fs/read_write.c:579
 __do_sys_read fs/read_write.c:589 [inline]
 __se_sys_read fs/read_write.c:587 [inline]
 __x64_sys_read+0x73/0xb0 fs/read_write.c:587
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe668eec1fd
Code: Bad RIP value.
RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd
RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000
R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420
R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
Mem-Info:
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 
 <IRQ>
DMA free:10300kB min:220kB low:272kB high:324kB 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
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
lowmem_reserve[]:
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
 0 2555
 2557
 2557
Node 0 
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
 0
 0
 2
 2
Node 0 
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 0
 0
 0
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Node 1 
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 0
 0
 0
Node 0 
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
DMA: 
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669
1*4kB 
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820
(U) 
1*8kB 
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(U) 
1*16kB 
(U) 1*32kB 
(U) 
0*64kB 
0*128kB 
0*256kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
0*512kB 0*1024kB 
1*2048kB 
(M) 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
2*4096kB (M) 
= 10300kB
Node 0 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
DMA32: 355*4kB 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
(UMEH) 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
1035*8kB 
 </IRQ>
(MEH) 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
201*16kB 
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
(MH) 
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282
1*32kB (H) 
 ORIG_RAX: ffffffffffffff13
9*64kB (UH) 
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
1*128kB 
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
(U) 0*256kB 
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
0*512kB 
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
0*1024kB 
0*2048kB 
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
0*4096kB 
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
= 13652kB
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
Node 0 
Normal: 
1*4kB 
(U) 
1*8kB 
(U) 
0*16kB 
0*32kB 
0*64kB 
0*128kB 
0*256kB 
0*512kB 0*1024kB 
0*2048kB 
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
0*4096kB 
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
= 12kB
Node 1 
Normal: 
3*4kB 
(M) 
7*8kB (ME) 
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
51*16kB 
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
(M) 
43*32kB 
(UME) 
29*64kB 
(ME) 13*128kB 
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
(UM) 
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
8*256kB (UM) 
RIP: 0033:0x459829
4*512kB 
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
(ME) 
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246
4*1024kB 
 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
(UM) 
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
3*2048kB 
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
(M) 0*4096kB 
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
= 20116kB
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
527 total pagecache pages
0 pages in swap cache
syz-executor.1 cpuset=
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
syz1
338858 pages reserved
0 pages cma reserved
aoe: skb alloc failure
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 mems_allowed=0-1
rsyslogd cpuset=
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
/
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 mems_allowed=0-1
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 nlmsg_new include/net/netlink.h:511 [inline]
 __br_mdb_notify+0x2af/0xe50 net/bridge/br_mdb.c:377
 br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410
 br_multicast_del_pg+0x2c1/0x5a0 net/bridge/br_multicast.c:292
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Call Trace:
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 <IRQ>
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
DMA free:10300kB min:220kB low:272kB high:324kB 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
 2555
 2557
 2557
Node 0 
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0
 2
 2
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
lowmem_reserve[]:
 0 0
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 0 0
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
lowmem_reserve[]: 0
 0
 0 0
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
Node 0 DMA: 
1*4kB 
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
(U) 
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
1*8kB 
(U) 
1*16kB 
(U) 
1*32kB 
(U) 0*64kB 
0*128kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
0*256kB 
0*512kB 0*1024kB 
1*2048kB 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
(M) 
2*4096kB 
(M) 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
= 10300kB
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
Node 0 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
DMA32: 
 </IRQ>
355*4kB 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414
(UMEH) 
Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3
1035*8kB 
RSP: 0000:ffff888086a5f188 EFLAGS: 00000293
(MEH) 201*16kB 
 ORIG_RAX: ffffffffffffff13
(MH) 1*32kB 
RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1
(H) 
RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293
9*64kB 
RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08
(UH) 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
1*128kB 
R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0
(U) 
0*256kB 0*512kB 
0*1024kB 
 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
0*2048kB 0*4096kB 
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
= 13652kB
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
Node 0 
 printk+0xba/0xed kernel/printk/printk.c:2001
Normal: 
1*4kB 
(U) 
 show_mem+0x16c/0x17b lib/show_mem.c:43
1*8kB 
 dump_header+0x1ce/0x929 mm/oom_kill.c:445
(U) 
0*16kB 0*32kB 
0*64kB 
0*128kB 0*256kB 
 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954
0*512kB 0*1024kB 
0*2048kB 
0*4096kB 
 out_of_memory mm/oom_kill.c:1129 [inline]
 out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062
= 12kB
Node 1 
Normal: 
3*4kB 
 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline]
 __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245
(M) 
7*8kB 
(ME) 
51*16kB 
(M) 
43*32kB (UME) 
29*64kB 
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
(ME) 
13*128kB (UM) 
8*256kB 
(UM) 
4*512kB 
(ME) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
4*1024kB 
(UM) 
3*2048kB 
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
(M) 0*4096kB 
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
= 20116kB
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623
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
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1302 [inline]
 do_syslog kernel/printk/printk.c:1470 [inline]
 do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
527 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
Total swap = 0kB
 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231
1965979 pages RAM
0 pages HighMem/MovableOnly
 __vfs_read+0x114/0x800 fs/read_write.c:416
338858 pages reserved
0 pages cma reserved
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 cpuset=
syz1
 mems_allowed=0-1
 vfs_read+0x194/0x3d0 fs/read_write.c:452
 ksys_read+0x14f/0x2d0 fs/read_write.c:579
 __do_sys_read fs/read_write.c:589 [inline]
 __se_sys_read fs/read_write.c:587 [inline]
 __x64_sys_read+0x73/0xb0 fs/read_write.c:587
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe668eec1fd
Code: Bad RIP value.
RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd
RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000
R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420
R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003
Mem-Info:
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Call Trace:
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 <IRQ>
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
DMA free:10300kB min:220kB low:272kB high:324kB 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
 2555
 2557
 2557
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
Node 0 
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 0
 2 2
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
Node 0 
Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
lowmem_reserve[]: 0
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 0
 0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Node 1 
Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 alloc_skb include/linux/skbuff.h:995 [inline]
 nlmsg_new include/net/netlink.h:511 [inline]
 __br_mdb_notify+0x2af/0xe50 net/bridge/br_mdb.c:377
 0
 0
 0
 0
Node 0 DMA: 
 br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410
1*4kB 
(U) 
1*8kB (U) 
 br_multicast_del_pg+0x2c1/0x5a0 net/bridge/br_multicast.c:292
1*16kB (U) 
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
1*32kB (U) 
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
0*64kB 0*128kB 
0*256kB 
0*512kB 
0*1024kB 
1*2048kB 
(M) 
2*4096kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
(M) 
= 10300kB
Node 0 
DMA32: 355*4kB 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
(UMEH) 
1035*8kB 
(MEH) 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
201*16kB 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
(MH) 1*32kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
(H) 
 </IRQ>
9*64kB 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
(UH) 
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
1*128kB 
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
(U) 
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
0*256kB 
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
0*512kB 
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
0*1024kB 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
0*2048kB 
0*4096kB 
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
= 13652kB
Node 0 
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
Normal: 
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
1*4kB 
(U) 
1*8kB 
(U) 
0*16kB 0*32kB 
0*64kB 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
= 12kB
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
Node 1 
Normal: 
3*4kB 
(M) 
7*8kB 
(ME) 
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
51*16kB 
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
(M) 
43*32kB 
(UME) 
29*64kB 
(ME) 
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
13*128kB 
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
(UM) 
RIP: 0033:0x459829
8*256kB 
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
(UM) 
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246
4*512kB 
 ORIG_RAX: 0000000000000141
(ME) 
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
4*1024kB 
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
(UM) 
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
3*2048kB 
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
(M) 
syz-executor.1 cpuset=
0*4096kB = 20116kB
syz1
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 mems_allowed=0-1
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Call Trace:
527 total pagecache pages
 <IRQ>
0 pages in swap cache
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Swap cache stats: add 0, delete 0, find 0/0
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338858 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
 mems_allowed=0-1
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2645 [inline]
 dev_alloc_skb include/linux/skbuff.h:2658 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33
Mem-Info:
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
DMA free:10300kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
lowmem_reserve[]:
 0
 2555
 2557
 2557
Node 0 
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
lowmem_reserve[]:
 0 0
 2
 2
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
Node 0 
Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
lowmem_reserve[]: 0
 0
 0 0
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
lowmem_reserve[]: 0
 0
 0
 0
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
Node 0 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
DMA: 
1*4kB 
(U) 
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
1*8kB 
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(U) 1*16kB 
(U) 
1*32kB (U) 
0*64kB 
0*128kB 
0*256kB 
0*512kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
0*1024kB 
1*2048kB (M) 
2*4096kB 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
(M) = 10300kB
Node 0 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
DMA32: 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
355*4kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
(UMEH) 
 </IRQ>
1035*8kB 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414
Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3
(MEH) 
RSP: 0000:ffff888086a5f188 EFLAGS: 00000293
201*16kB 
 ORIG_RAX: ffffffffffffff13
(MH) 
RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1
1*32kB 
RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293
(H) 
RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08
9*64kB 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
(UH) 
R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0
1*128kB 
(U) 
0*256kB 
 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
0*512kB 
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
0*1024kB 
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
0*2048kB 
 printk+0xba/0xed kernel/printk/printk.c:2001
0*4096kB 
= 13652kB
Node 0 
 show_mem+0x16c/0x17b lib/show_mem.c:43
Normal: 
 dump_header+0x1ce/0x929 mm/oom_kill.c:445
1*4kB 
(U) 
1*8kB (U) 
 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954
0*16kB 
0*32kB 
0*64kB 0*128kB 
 out_of_memory mm/oom_kill.c:1129 [inline]
 out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
0*4096kB 
 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline]
 __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245
= 12kB
Node 1 
Normal: 3*4kB 
(M) 
7*8kB 
(ME) 
51*16kB 
(M) 
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
43*32kB 
(UME) 
29*64kB 
(ME) 
13*128kB (UM) 
8*256kB 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
(UM) 
4*512kB 
(ME) 
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
4*1024kB 
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
(UM) 
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623
3*2048kB 
(M) 
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1302 [inline]
 do_syslog kernel/printk/printk.c:1470 [inline]
 do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444
0*4096kB 
= 20116kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231
527 total pagecache pages
0 pages in swap cache
 __vfs_read+0x114/0x800 fs/read_write.c:416
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338858 pages reserved
0 pages cma reserved
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 cpuset=
 vfs_read+0x194/0x3d0 fs/read_write.c:452
syz1
 ksys_read+0x14f/0x2d0 fs/read_write.c:579
 mems_allowed=0-1
 __do_sys_read fs/read_write.c:589 [inline]
 __se_sys_read fs/read_write.c:587 [inline]
 __x64_sys_read+0x73/0xb0 fs/read_write.c:587
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe668eec1fd
Code: Bad RIP value.
RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd
RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000
R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420
R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
Mem-Info:
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
DMA free:10300kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
lowmem_reserve[]:
 0
 2555
 2557
 2557
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
Node 0 
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 2
 2
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
Node 0 
Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
lowmem_reserve[]:
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 0 0
 0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Node 1 
Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 0
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669
 0
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820
 0
 0
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
Node 0 
DMA: 
1*4kB 
(U) 
1*8kB (U) 
1*16kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
1*32kB 
(U) 
0*64kB 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
0*128kB 
0*256kB 
0*512kB 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
0*1024kB 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
1*2048kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
(M) 
 </IRQ>
2*4096kB 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
(M) 
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
= 10300kB
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282
Node 0 
 ORIG_RAX: ffffffffffffff13
DMA32: 355*4kB 
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
(UMEH) 
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
1035*8kB 
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
(MEH) 201*16kB 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
(MH) 1*32kB 
(H) 
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
9*64kB (UH) 
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
1*128kB 
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
(U) 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13652kB
Node 0 
Normal: 
1*4kB 
(U) 
1*8kB 
(U) 
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
0*16kB 
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
0*32kB 
0*64kB 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
0*2048kB 
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
0*4096kB 
= 12kB
Node 1 
Normal: 
3*4kB 
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
(M) 
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
7*8kB 
RIP: 0033:0x459829
(ME) 
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
51*16kB 
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246
(M) 
 ORIG_RAX: 0000000000000141
43*32kB (UME) 
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
29*64kB 
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
(ME) 
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
13*128kB 
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
(UM) 
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
8*256kB 
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
(UM) 4*512kB 
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
(ME) 
syz-executor.1 cpuset=
4*1024kB (UM) 
syz1
3*2048kB 
 mems_allowed=0-1
(M) 
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
0*4096kB 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
= 20116kB
Call Trace:
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 <IRQ>
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
527 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
0 pages HighMem/MovableOnly
338858 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
 mems_allowed=0-1
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2645 [inline]
 dev_alloc_skb include/linux/skbuff.h:2658 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6
RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282
RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4
R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33
Mem-Info:
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
 <IRQ>
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
DMA free:10300kB min:220kB low:272kB high:324kB 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
 2555
 2557
 2557
 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307
Node 0 
DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
 2
 2
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
Node 0 
Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
lowmem_reserve[]: 0
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 0
Node 1 
Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
lowmem_reserve[]:
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
 0
 0
 0
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 0
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
Node 0 
DMA: 
1*4kB (U) 
1*8kB 
(U) 
1*16kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
1*32kB 
(U) 0*64kB 
0*128kB 0*256kB 
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
0*512kB 
0*1024kB 
1*2048kB 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
(M) 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
2*4096kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
(M) 
 </IRQ>
= 10300kB
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414
Node 0 
Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3
DMA32: 355*4kB 
RSP: 0000:ffff888086a5f188 EFLAGS: 00000293
(UMEH) 1035*8kB 
 ORIG_RAX: ffffffffffffff13
(MEH) 
RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1
201*16kB 
RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293
(MH) 1*32kB 
RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08
(H) 9*64kB 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
(UH) 
R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0
1*128kB 
(U) 
0*256kB 
 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
0*512kB 
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
0*1024kB 
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
0*2048kB 
 printk+0xba/0xed kernel/printk/printk.c:2001
0*4096kB = 13652kB
Node 0 
Normal: 
 show_mem+0x16c/0x17b lib/show_mem.c:43
1*4kB 
 dump_header+0x1ce/0x929 mm/oom_kill.c:445
(U) 
1*8kB 
(U) 
0*16kB 
 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954
0*32kB 0*64kB 
0*128kB 
0*256kB 
 out_of_memory mm/oom_kill.c:1129 [inline]
 out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline]
 __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245
= 12kB
Node 1 
Normal: 
3*4kB 
(M) 
7*8kB 
(ME) 
 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409
51*16kB 
(M) 
43*32kB (UME) 
29*64kB (ME) 
13*128kB 
(UM) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682
8*256kB 
(UM) 
4*512kB 
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
(ME) 4*1024kB 
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
(UM) 
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623
3*2048kB (M) 
0*4096kB 
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1302 [inline]
 do_syslog kernel/printk/printk.c:1470 [inline]
 do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444
= 20116kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
527 total pagecache pages
 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 __vfs_read+0x114/0x800 fs/read_write.c:416
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338858 pages reserved
0 pages cma reserved
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 cpuset=
syz1
 mems_allowed=0-1
 vfs_read+0x194/0x3d0 fs/read_write.c:452
 ksys_read+0x14f/0x2d0 fs/read_write.c:579
 __do_sys_read fs/read_write.c:589 [inline]
 __se_sys_read fs/read_write.c:587 [inline]
 __x64_sys_read+0x73/0xb0 fs/read_write.c:587
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe668eec1fd
Code: Bad RIP value.
RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd
RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000
R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420
R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003
CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33
Mem-Info:
active_anon:138600 inactive_anon:183 isolated_anon:0
 active_file:197 inactive_file:61 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9807 slab_unreclaimable:1361998
 mapped:52445 shmem:247 pagetables:3533 bounce:0
 free:10989 free_pcp:124 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/07/24 14:52 linux-4.19.y be9b6782a9eb 32329ceb .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.