syzbot


INFO: rcu detected stall in ext4_filemap_fault (2)

Status: auto-closed as invalid on 2020/11/23 02:32
Reported-by: syzbot+6ab51fed4c551d3579e2@syzkaller.appspotmail.com
First crash: 1595d, last: 1595d
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in ext4_filemap_fault (3) 2 939d 970d 0/1 auto-obsoleted due to no activity on 2022/09/09 17:56
android-49 INFO: rcu detected stall in ext4_filemap_fault C 1 1914d 1914d 0/3 public: reported C repro on 2019/09/11 03:52
upstream INFO: rcu detected stall in ext4_filemap_fault mm 109 2105d 2275d 0/28 closed as dup on 2019/01/02 16:36
android-414 INFO: rcu detected stall in ext4_filemap_fault 1 2174d 2067d 0/1 auto-closed as invalid on 2019/06/22 22:11
linux-4.19 INFO: rcu detected stall in ext4_filemap_fault 4 1783d 1933d 0/1 auto-closed as invalid on 2020/05/18 19:50
linux-4.14 INFO: rcu detected stall in ext4_filemap_fault 1 1837d 1837d 0/1 auto-closed as invalid on 2020/03/25 22:24
upstream INFO: rcu detected stall in ext4_filemap_fault (2) cgroups 1 1879d 1879d 0/28 auto-closed as invalid on 2020/01/13 18:23
android-414 INFO: rcu detected stall in ext4_filemap_fault (2) 2 1833d 1877d 0/1 auto-closed as invalid on 2020/03/30 02:23

Sample crash report:
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-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
rcu: 	0-....: (414 ticks this GP) idle=4c2/1/0x4000000000000002 softirq=84413/84422 fqs=144 
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
rcu: 	(detected by 1, t=10520 jiffies, g=116549, q=9)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline]
RIP: 0010:check_memory_region+0xcb/0x170 mm/kasan/kasan.c:267
Code: 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 80 38 00 <74> f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c 25 00 eb
RSP: 0000:ffff8880ae6071a8 EFLAGS: 00000046
RAX: fffffbfff1718acd RBX: fffffbfff1718ace RCX: ffffffff87366a7b
RDX: fffffbfff1718ace RSI: 0000000000000002 RDI: ffffffff8b8c566d
RBP: fffffbfff1718acd R08: 0000000000000001 R09: fffffbfff1718acd
R10: ffffffff8b8c566e R11: ffffffff8ad2801b R12: 0000000000000002
R13: ffffffff878b464b R14: 000000007473a992 R15: ffff8880ae6072e8
FS:  000000c0000d8b10(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000469216 CR3: 0000000092568000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 memcpy+0x35/0x50 mm/kasan/kasan.c:303
 memcpy include/linux/string.h:373 [inline]
 vsnprintf+0x85b/0x14f0 lib/vsprintf.c:2255
 sprintf+0xc0/0x100 lib/vsprintf.c:2495
 print_time kernel/printk/printk.c:1264 [inline]
 print_prefix+0x265/0x3f0 kernel/printk/printk.c:1287
 msg_print_text+0xcd/0x1c0 kernel/printk/printk.c:1314
 console_unlock+0x321/0x1110 kernel/printk/printk.c:2431
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x21e/0x2b4 arch/x86/kernel/dumpstack.c:258
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 3904 Comm: syz-executor.2 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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+0x1fc/0x2fe lib/dump_stack.c:118
Node 0 DMA free:10204kB 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/0x18f mm/page_alloc.c:3451
lowmem_reserve[]: 0 2531 2533 2533 2533
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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
 __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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
4266 total pagecache pages
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
0 pages in swap cache
 skb_clone+0x151/0x3d0 net/core/skbuff.c:1284
Swap cache stats: add 0, delete 0, find 0/0
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xaf/0x430 net/core/filter.c:2066
Free swap  = 0kB
 bpf_prog_634b5dd794fb6b08+0xdda/0x1000
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kworker/u4:2 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 68 Comm: kworker/u4:2 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: bat_events batadv_bla_periodic_work
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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:10204kB 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+0x1fc/0x2fe lib/dump_stack.c:118
lowmem_reserve[]: 0 2531 2533 2533 2533
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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
 __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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
4266 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 arp_create+0x209/0xbd0 net/ipv4/arp.c:541
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
 batadv_bla_send_claim+0x384/0xdf0 net/batman-adv/bridge_loop_avoidance.c:367
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 batadv_bla_send_announce+0x118/0x170 net/batman-adv/bridge_loop_avoidance.c:682
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
 batadv_bla_periodic_work+0x83a/0xda0 net/batman-adv/bridge_loop_avoidance.c:1488
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor.2 cpuset=/ mems_allowed=0-1
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 3904 Comm: syz-executor.2 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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+0x1fc/0x2fe lib/dump_stack.c:118
Node 0 DMA free:10204kB 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/0x18f mm/page_alloc.c:3451
lowmem_reserve[]: 0 2531 2533 2533 2533
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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
 __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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
4266 total pagecache pages
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
0 pages in swap cache
 skb_clone+0x151/0x3d0 net/core/skbuff.c:1284
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xaf/0x430 net/core/filter.c:2066
Total swap = 0kB
 bpf_prog_634b5dd794fb6b08+0xdda/0x1000
1965979 pages RAM
0 pages HighMem/MovableOnly
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ksoftirqd/1 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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+0x1fc/0x2fe lib/dump_stack.c:118
Node 0 DMA free:10204kB 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/0x18f mm/page_alloc.c:3451
lowmem_reserve[]: 0 2531 2533 2533 2533
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
4266 total pagecache pages
 __build_skb+0x39/0x300 net/core/skbuff.c:281
0 pages in swap cache
 __netdev_alloc_skb+0x2a7/0x460 net/core/skbuff.c:426
Swap cache stats: add 0, delete 0, find 0/0
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
0 pages HighMem/MovableOnly
345199 pages reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
0 pages cma reserved
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ksoftirqd/1 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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+0x1fc/0x2fe lib/dump_stack.c:118
Node 0 DMA free:10204kB 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/0x18f mm/page_alloc.c:3451
lowmem_reserve[]: 0 2531 2533 2533 2533
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
Node 0 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+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __build_skb+0x39/0x300 net/core/skbuff.c:281
4266 total pagecache pages
 __netdev_alloc_skb+0x2a7/0x460 net/core/skbuff.c:426
0 pages in swap cache
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
1965979 pages RAM
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
0 pages HighMem/MovableOnly
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
kworker/1:4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
kworker/1:4 cpuset=/ mems_allowed=0-1
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7478 Comm: kworker/1:4 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: events_long br_fdb_cleanup
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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:10204kB 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+0x1fc/0x2fe lib/dump_stack.c:118
lowmem_reserve[]: 0 2531 2533 2533 2533
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
4266 total pagecache pages
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
0 pages in swap cache
 alloc_skb include/linux/skbuff.h:995 [inline]
 nlmsg_new include/net/netlink.h:511 [inline]
 fdb_notify+0x98/0x180 net/bridge/br_fdb.c:703
Swap cache stats: add 0, delete 0, find 0/0
 fdb_delete+0x658/0xe40 net/bridge/br_fdb.c:211
Free swap  = 0kB
 br_fdb_cleanup+0x364/0x480 net/bridge/br_fdb.c:362
Total swap = 0kB
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
1965979 pages RAM
0 pages HighMem/MovableOnly
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 kthread+0x30b/0x410 kernel/kthread.c:246
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=/ mems_allowed=0-1
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kworker/u4:2 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
CPU: 1 PID: 68 Comm: kworker/u4:2 Not tainted 4.19.134-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_bla_periodic_work
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
syz-fuzzer cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 arp_create+0x209/0xbd0 net/ipv4/arp.c:541
 batadv_bla_send_claim+0x384/0xdf0 net/batman-adv/bridge_loop_avoidance.c:367
 batadv_bla_send_announce+0x118/0x170 net/batman-adv/bridge_loop_avoidance.c:682
 batadv_bla_periodic_work+0x83a/0xda0 net/batman-adv/bridge_loop_avoidance.c:1488
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
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+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
warn_alloc: 14511 callbacks suppressed
kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __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+0xa4/0x8a0 mm/slab.c:2682
kworker/u4:2 cpuset=/ mems_allowed=0-1
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
warn_alloc_show_mem: 3 callbacks suppressed
CPU: 1 PID: 68 Comm: kworker/u4:2 Not tainted 4.19.134-syzkaller #0
Mem-Info:
active_anon:285443 inactive_anon:4052 isolated_anon:0
 active_file:13 inactive_file:15 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17190 slab_unreclaimable:1195130
 mapped:53314 shmem:4238 pagetables:8204 bounce:0
 free:10910 free_pcp:216 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213256kB dirty:0kB writeback:0kB shmem:16952kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 999424kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: bat_events batadv_bla_periodic_work
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB 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:10204kB 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+0x1fc/0x2fe lib/dump_stack.c:118
lowmem_reserve[]: 0 2531 2533 2533 2533
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
Node 0 DMA32 free:13312kB min:36048kB low:45060kB high:54072kB active_anon:1141772kB inactive_anon:16208kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:3129332kB managed:2595392kB mlocked:0kB kernel_stack:16192kB pagetables:32816kB bounce:0kB free_pcp:616kB local_pcp:348kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1652kB 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:20124kB min:53816kB low:67268kB high:80720kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10204kB
Node 0 DMA32: 1282*4kB (UME) 429*8kB (UME) 141*16kB (UME) 65*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13344kB
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: 247*4kB (UE) 88*8kB (UME) 26*16kB (UME) 9*32kB (UE) 1*64kB (M) 2*128kB (ME) 2*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (UE) 2*4096kB (M) = 20124kB
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
 __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+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
4266 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 arp_create+0x209/0xbd0 net/ipv4/arp.c:541
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
 batadv_bla_send_claim+0x384/0xdf0 net/batman-adv/bridge_loop_avoidance.c:367
345199 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 batadv_bla_send_announce+0x118/0x170 net/batman-adv/bridge_loop_avoidance.c:682
syz-fuzzer cpuset=/ mems_allowed=0-1
 batadv_bla_periodic_work+0x83a/0xda0 net/batman-adv/bridge_loop_avoidance.c:1488
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-executor.2 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7
CPU: 1 PID: 3904 Comm: syz-executor.2 Not tainted 4.19.134-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
syz-fuzzer cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
 skb_clone+0x151/0x3d0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xaf/0x430 net/core/filter.c:2066
 bpf_prog_634b5dd794fb6b08+0xdda/0x1000
CPU: 0 PID: 6466 Comm: syz-fuzzer Not tainted 4.19.134-syzkaller #0
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-executor.2 cpuset=/ mems_allowed=0-1
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3451
 __alloc_pages_slowpath mm/page_alloc.c:4311 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4413
 __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+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5d0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1337
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1695 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2461
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d ac d3 7d 07 00 0f 84 2f 01 00 00 e8 99 27 15 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 4e 43 4b 00 e9 cf
RSP: 0000:ffff8880a5627550 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5124380 RBX: 0000000000000200 RCX: 1ffff11014a24994
RDX: 0000000000000000 RSI: ffffffff815487a7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff845c88d0
R13: 0000000000000060 R14: 0000000000000000 R15: ffffffff894602d0
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x17e kernel/printk/printk_safe.c:397
 printk+0xba/0xed kernel/printk/printk.c:2040
 dump_unreclaimable_slab.cold+0xea/0xfe mm/slab_common.c:1372
 dump_header+0x44c/0xc3f mm/oom_kill.c:447
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:954
 out_of_memory mm/oom_kill.c:1130 [inline]
 out_of_memory+0x34d/0x1390 mm/oom_kill.c:1062
 __alloc_pages_may_oom mm/page_alloc.c:3547 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4249 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4413
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 __page_cache_alloc mm/filemap.c:969 [inline]
 page_cache_read mm/filemap.c:2408 [inline]
 filemap_fault+0x146e/0x2180 mm/filemap.c:2592
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6365
 __do_fault+0x10b/0x4b0 mm/memory.c:3269
 do_read_fault mm/memory.c:3681 [inline]
 do_fault mm/memory.c:3810 [inline]
 handle_pte_fault mm/memory.c:4041 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4165
 handle_mm_fault+0x436/0xb10 mm/memory.c:4202
 __do_page_fault+0x6d8/0xde0 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x469240
Code: Bad RIP value.
RSP: 002b:000000c00010b7f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000003d2 RCX: 0000000000469240
RDX: 0000000000000080 RSI: 000000c00010b840 RDI: 0000000000000003
RBP: 000000c00010be40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003d2 R11: 0000000000000246 R12: 0000000000000003
R13: 000000c000001c80 R14: 0000000000000200 R15: 000000000000f4b7

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/07/26 02:31 linux-4.19.y 20b3a3dfdf6c 1f7cc1ca .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.