syzbot

 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 	0-...!: (277 ticks this GP) idle=6ba/1/0x4000000000000002 softirq=62657/62659 fqs=0 
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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
rcu: 	(detected by 1, t=10570 jiffies, g=58753, q=5)
Sending NMI from CPU 1 to CPUs 0:
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
NMI backtrace for cpu 0
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:format_decode+0x41d/0xbc0 lib/vsprintf.c:2154
Code: 80 fd 25 0f 84 73 05 00 00 41 8d 45 a8 3c 20 0f 87 10 02 00 00 0f b6 c0 ff 24 c5 a8 6d 69 88 e8 89 10 1a fa 41 c6 44 24 05 08 <e8> 7e 10 1a fa 89 de bf 4c 00 00 00 e8 b2 11 1a fa 80 fb 4c 0f 84
RSP: 0000:ffff8880ae806ee0 EFLAGS: 00000083
RAX: 000000000000001d RBX: 000000000000006c RCX: ffffffff875104c2
RDX: 0000000000000075 RSI: 0000000000000078 RDI: 0000000000000001
RBP: ffff8880ae806f90 R08: ffff888095e9a340 R09: fffffbfff11f1711
R10: fffffbfff11f1710 R11: ffffffff88f8b883 R12: ffff8880ae807010
R13: 0000000000000075 R14: ffff8880ae806f68 R15: ffffffff87ab69a4
FS:  00007f7326a43700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045b31f CR3: 0000000099551000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 vsnprintf+0x17e/0x19a0 lib/vsprintf.c:2245
 snprintf+0xbb/0xf0 lib/vsprintf.c:2426
 print_time kernel/printk/printk.c:1234 [inline]
 print_prefix+0x284/0x3f0 kernel/printk/printk.c:1259
 msg_print_text+0x83/0x1c0 kernel/printk/printk.c:1282
 console_unlock+0x3a5/0x10d0 kernel/printk/printk.c:2403
 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
 printk+0xba/0xed kernel/printk/printk.c:2012
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
 show_stack+0x39/0x3b arch/x86/kernel/dumpstack.c:293
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
rcu: rcu_preempt kthread starved for 10570 jiffies! g58753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29104    10      2 0x80000000
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
Call Trace:
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3515
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 schedule+0x92/0x1c0 kernel/sched/core.c:3559
 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1806
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202
 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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
 kthread+0x354/0x420 kernel/kthread.c:246
Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
aoe: skb alloc failure
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 1 active_anon:0kB 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
Call Trace:
Node 0 DMA free:10268kB 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
 <IRQ>
lowmem_reserve[]: 0 2545 2546 2546 2546
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
281 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Total swap = 0kB
1965979 pages RAM
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
0 pages HighMem/MovableOnly
341724 pages reserved
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.313 msecs
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB 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 DMA free:10268kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
281 total pagecache pages
0 pages in swap cache
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Total swap = 0kB
1965979 pages RAM
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
0 pages HighMem/MovableOnly
341724 pages reserved
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB 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 DMA free:10268kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
281 total pagecache pages
0 pages in swap cache
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Total swap = 0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
1965979 pages RAM
0 pages HighMem/MovableOnly
341724 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 1 active_anon:0kB 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
Call Trace:
Node 0 DMA free:10268kB 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
 <IRQ>
lowmem_reserve[]: 0 2545 2546 2546 2546
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
281 total pagecache pages
0 pages in swap cache
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Free swap  = 0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Total swap = 0kB
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
1965979 pages RAM
0 pages HighMem/MovableOnly
341724 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB 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 DMA free:10268kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
281 total pagecache pages
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 pages in swap cache
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Total swap = 0kB
1965979 pages RAM
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0 pages HighMem/MovableOnly
341724 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB 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 DMA free:10268kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
281 total pagecache pages
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 pages in swap cache
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Total swap = 0kB
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
1965979 pages RAM
0 pages HighMem/MovableOnly
341724 pages reserved
0 pages cma reserved
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Node 1 active_anon:0kB 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
Call Trace:
Node 0 DMA free:10268kB 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
 <IRQ>
lowmem_reserve[]: 0 2545 2546 2546 2546
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
281 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Free swap  = 0kB
Total swap = 0kB
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
1965979 pages RAM
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
0 pages HighMem/MovableOnly
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
341724 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.4 cpuset=syz4 mems_allowed=0-1
 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:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2683 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2693 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:743 [inline]
 batadv_iv_ogm_queue_add+0x25d/0x1120 net/batman-adv/bat_iv_ogm.c:855
 batadv_iv_ogm_schedule_buff+0x9ad/0x12b0 net/batman-adv/bat_iv_ogm.c:1010
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1046 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1039 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0 net/batman-adv/bat_iv_ogm.c:1865
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:3 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 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]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __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:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 50 07 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 92 e9
RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2077 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064
 bpf_prog_e2f29814702bf05a+0xe6a/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:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: Bad RIP value.
RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
Mem-Info:
active_anon:162126 inactive_anon:206 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12165 slab_unreclaimable:1340287
 mapped:52226 shmem:256 pagetables:998 bounce:0
 free:10931 free_pcp:206 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011