syzbot


INFO: task hung in ip_tunnel_init_net

Status: auto-closed as invalid on 2022/05/20 09:22
Reported-by: syzbot+bac2c57fb555ad516d5d@syzkaller.appspotmail.com
First crash: 1075d, last: 1036d
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in ip_tunnel_init_net 1 6d06h 6d06h 0/3 upstream: reported on 2024/11/15 13:12
upstream INFO: task hung in ip_tunnel_init_net (3) netfilter 41 9d15h 41d 28/28 fixed on 2024/11/12 23:31
linux-6.1 INFO: task hung in ip_tunnel_init_net 2 134d 169d 0/3 auto-obsoleted due to no activity on 2024/10/18 03:42
upstream INFO: task hung in ip_tunnel_init_net net 2 1475d 1537d 0/28 auto-closed as invalid on 2021/02/05 10:58
linux-4.19 INFO: task hung in ip_tunnel_init_net (2) 1 655d 655d 0/1 upstream: reported on 2023/02/05 00:06
upstream INFO: task hung in ip_tunnel_init_net (2) net 3 581d 705d 0/28 auto-obsoleted due to no activity on 2023/07/18 20:51
upstream INFO: task can't die in ip_tunnel_init_net net 11 1129d 1130d 0/28 auto-closed as invalid on 2022/02/16 13:24

Sample crash report:
Node 0 DMA32 free:37896kB min:35996kB low:44992kB high:53988kB active_anon:1292892kB inactive_anon:19748kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:21312kB pagetables:39492kB bounce:0kB free_pcp:124kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
INFO: task syz-executor.4:9363 blocked for more than 140 seconds.
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53556kB min:53876kB low:67344kB high:80812kB active_anon:1034024kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:74368kB pagetables:128892kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (E) 3*8kB (U) 3*16kB (UE) 2*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10828kB
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D26784  9363  19131 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
Node 0 DMA32: 277*4kB (ME) 194*8kB (ME) 172*16kB (UME) 204*32kB (UME) 182*64kB (UME) 71*128kB (UM) 20*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 38308kB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
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
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
Node 1 Normal: 898*4kB (UME) 47*8kB (UME) 69*16kB (UME) 30*32kB (UME) 6*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (ME) 1*1024kB (M) 2*2048kB (UM) 10*4096kB (M) = 54288kB
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
13006 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name                      Used          Total
pid_2                    192KB        196KB
batadv_tt_change_cache          1KB          3KB
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
INFO: task syz-executor.4:9467 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D26888  9467   9422 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
INFO: task syz-executor.4:9550 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D26928  9550   9467 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
batadv_tl_cache            8KB         12KB
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
TIPC                    2088KB       2092KB
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
rds_tcp_connection          4KB          7KB
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
rds_connection             0KB          3KB
SCTPv6                  5896KB       5896KB
sctp_chunk                 5KB         11KB
sctp_bind_bucket           0KB          3KB
DCCPv6                  6915KB       6915KB
DCCP                    6559KB       6562KB
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
RXRPC                   2262KB       2262KB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
rxrpc_call_jar         15660KB      15663KB
bridge_fdb_cache          11KB         15KB
fib6_nodes               155KB        216KB
ip6_dst_cache            265KB        390KB
ip6_mrt_cache              1KB          8KB
RAWv6                  28024KB      28026KB
UDPv6                   2638KB       2640KB
INFO: task syz-executor.4:9702 blocked for more than 140 seconds.
TCPv6                   4464KB       4464KB
nf_conntrack              10KB         37KB
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D26792  9702   9468 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
AF_VSOCK                   1KB          3KB
t10_alua_lu_gp_cache          0KB          3KB
sd_ext_cdb                 0KB          7KB
scsi_sense_cache        1056KB       1060KB
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
virtio_scsi_cmd           16KB         16KB
sgpool-128                 8KB          8KB
sgpool-64                  4KB         12KB
RIP: 0033:0x7fed5f428fe9
sgpool-32                  2KB         15KB
sgpool-16                  1KB          7KB
sgpool-8                   0KB          7KB
mqueue_inode_cache         22KB         37KB
Code: Bad RIP value.
bio_post_read_ctx         14KB         15KB
bio-2                     14KB         15KB
jfs_mp                     7KB          7KB
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
cifs_small_rq             15KB         16KB
cifs_request              67KB         67KB
cifs_mpx_ids               0KB          7KB
nfs_commit_data            3KB         14KB
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
nfs_write_data            34KB         44KB
ext4_system_zone           1KB          7KB
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
fanotify_event_info          0KB          3KB
fsnotify_mark              0KB          3KB
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
dio                      435KB        438KB
bio-1                      1KB          7KB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
pid_namespace              2KB          7KB
kvm_vcpu                  23KB         23KB
kvm_mmu_page_header          9KB         11KB
INFO: task syz-executor.4:9799 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
pte_list_desc              1KB          3KB
syz-executor.4  D26888  9799   9363 0x00000000
rpc_buffers               17KB         25KB
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
rpc_tasks                  2KB          7KB
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
UNIX                     196KB        198KB
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
ip_mrt_cache               0KB          4KB
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
tcp_bind_bucket          178KB        180KB
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
inet_peer_cache            0KB          4KB
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
IPVS: ftp: loaded support on port[0] = 21
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
xfrm_state                 2KB          4KB
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
ip_fib_trie               23KB         35KB
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
ip_fib_alias             111KB        150KB
ip_dst_cache              10KB         68KB
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
RAW                    16602KB      16605KB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
INFO: task syz-executor.4:9891 blocked for more than 140 seconds.
UDP                     4689KB       4691KB
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
TCP                      272KB        281KB
hugetlbfs_inode_cache          3KB         15KB
syz-executor.4  D26888  9891   9620 0x00000000
fscache_cookie_jar          1KB          7KB
Call Trace:
eventpoll_pwq              8KB         31KB
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
eventpoll_epi             16KB         51KB
inotify_inode_mark          7KB         11KB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
request_queue            177KB        177KB
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
blkdev_requests            1KB          3KB
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
blkdev_ioc                34KB         34KB
bio-0                  11100KB      11100KB
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
biovec-max              8027KB       8027KB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
biovec-64               6331KB       6331KB
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
INFO: task syz-executor.4:9904 blocked for more than 140 seconds.
biovec-16               2397KB       2400KB
      Not tainted 4.19.211-syzkaller #0
bio_integrity_payload          1KB          8KB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
khugepaged_mm_slot        159KB        163KB
syz-executor.4  D26784  9904   9664 0x00000000
uid_cache                  0KB          4KB
Call Trace:
dmaengine-unmap-2          0KB          3KB
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
audit_buffer               1KB          3KB
skbuff_fclone_cache         49KB         52KB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
skbuff_head_cache       8054KB       8085KB
configfs_dir_cache          3KB          7KB
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
file_lock_cache            8KB         19KB
file_lock_ctx              8KB         15KB
fsnotify_mark_connector          3KB          7KB
net_namespace          24202KB      24202KB
shmem_inode_cache       7888KB       8065KB
task_delay_info         1509KB       1857KB
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
taskstats                  9KB         22KB
proc_dir_entry        125386KB     125388KB
pde_opener                 2KB          7KB
seq_file                  54KB         55KB
sigqueue                 182KB        189KB
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
kernfs_node_cache     363084KB     363088KB
mnt_cache                190KB        204KB
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
filp                    4880KB       7323KB
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
names_cache            47969KB      47969KB
iint_cache                28KB         55KB
key_jar                   10KB         18KB
uts_namespace              2KB          7KB
nsproxy                  240KB        245KB
vm_area_struct         25929KB      25979KB
mm_struct               4769KB       4771KB
fs_cache                2027KB       2528KB
files_cache             7298KB       8272KB
signal_cache           11244KB      12427KB
sighand_cache           7189KB       7201KB
task_struct            49073KB      49073KB
cred_jar                4857KB       5896KB
anon_vma_chain         36542KB      36567KB
anon_vma                8939KB       8954KB
pid                      694KB        868KB
Acpi-Operand             156KB        190KB
Acpi-ParseExt              9KB         11KB
Acpi-Parse                41KB         47KB
Acpi-State                52KB         63KB
Acpi-Namespace            21KB         23KB
numa_policy                0KB          3KB
debug_objects_cache      27884KB      27886KB
trace_event_file         297KB        298KB
ftrace_event_field        398KB        401KB
pool_workqueue          2900KB       2900KB
page->ptl               4731KB       4755KB
kmalloc-2097152         2050KB       2050KB
kmalloc-524288          2056KB       2056KB
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
kmalloc-262144          1290KB       1290KB
kmalloc-131072           780KB       1040KB
syz-executor.4: page allocation failure: order:4, mode:0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null)
syz-executor.4 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 673 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
 __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_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 can_pernet_init+0x6a/0x3b0 net/can/af_can.c:888
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
kmalloc-65536           4356KB       4356KB
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
kmalloc-32768         153450KB     153450KB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
kmalloc-16384          46678KB      46678KB
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
Mem-Info:
active_anon:582766 inactive_anon:4937 isolated_anon:0
 active_file:18 inactive_file:4 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:40373 slab_unreclaimable:903183
 mapped:15339 shmem:12841 pagetables:42121 bounce:0
 free:25249 free_pcp:460 free_cma:0
kmalloc-8192          107324KB     107324KB
Node 0 active_anon:1297036kB inactive_anon:19748kB active_file:72kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61352kB dirty:0kB writeback:0kB shmem:51364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 538624kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
kmalloc-4096          491907KB     491907KB
kmalloc-2048          385666KB     385668KB
kmalloc-1024          155398KB     155405KB
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
kmalloc-512           125060KB     132453KB
kmalloc-256            81130KB      82492KB
kmalloc-128            40426KB      40536KB
kmalloc-96             10776KB      11292KB
kmalloc-64             28607KB      29488KB
kmalloc-32             25624KB      26349KB
kmalloc-192            54722KB      55864KB
kmem_cache               178KB        183KB
Out of memory: Kill process 19262 (syz-executor.4) score 1002 or sacrifice child
Killed process 19262 (syz-executor.4) total-vm:57332kB, anon-rss:2468kB, file-rss:14096kB, shmem-rss:0kB
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
oom_reaper: reaped process 19262 (syz-executor.4), now anon-rss:0kB, file-rss:14096kB, shmem-rss:0kB
Node 1 active_anon:1034028kB inactive_anon:0kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10828kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
IPVS: ftp: loaded support on port[0] = 21
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:35464kB min:35996kB low:44992kB high:53988kB active_anon:1292940kB inactive_anon:19748kB active_file:620kB inactive_file:728kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:21312kB pagetables:39564kB bounce:0kB free_pcp:1196kB local_pcp:584kB free_cma:0kB
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
syz-executor.4 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000
INFO: task syz-executor.4:9964 blocked for more than 140 seconds.
syz-executor.4 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 16189 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
      Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 dump_header+0x15d/0xc3f mm/oom_kill.c:443
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
 out_of_memory mm/oom_kill.c:1114 [inline]
 out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
 __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
syz-executor.4  D26792  9964   9540 0x00000000
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x213/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 ops_init+0xfe/0x410 net/core/net_namespace.c:119
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
Node 1 Normal free:53248kB min:53876kB low:67344kB high:80812kB active_anon:1034028kB inactive_anon:0kB active_file:56kB inactive_file:648kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:74208kB pagetables:128892kB bounce:0kB free_pcp:412kB local_pcp:56kB free_cma:0kB
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
Call Trace:
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
lowmem_reserve[]: 0 0 0 0 0
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
Node 0 DMA: 1*4kB (E) 3*8kB (U) 3*16kB (UE) 2*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10828kB
Mem-Info:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
active_anon:582760 inactive_anon:4937 isolated_anon:0
 active_file:49 inactive_file:18 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:40392 slab_unreclaimable:903100
 mapped:15362 shmem:12841 pagetables:42136 bounce:0
 free:25291 free_pcp:124 free_cma:0
Node 0 active_anon:1297012kB inactive_anon:19748kB active_file:108kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61500kB dirty:0kB writeback:0kB shmem:51364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 538624kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:1034028kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10828kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
Node 0 DMA32: 79*4kB (ME) 176*8kB (UM) 160*16kB (M) 192*32kB (UME) 179*64kB (UME) 70*128kB (UM) 19*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35708kB
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
lowmem_reserve[]: 0 2693 2695 2695 2695
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
Node 1 Normal: 890*4kB (UME) 91*8kB (UME) 45*16kB (UME) 39*32kB (UME) 4*64kB (ME) 2*128kB (UM) 2*256kB (UM) 2*512kB (ME) 1*1024kB (M) 2*2048kB (UM) 10*4096kB (M) = 54384kB
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
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
Node 0 DMA32 free:36440kB min:35996kB low:44992kB high:53988kB active_anon:1292916kB inactive_anon:19748kB active_file:572kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:21312kB pagetables:39624kB bounce:0kB free_pcp:516kB local_pcp:516kB free_cma:0kB
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
13063 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Free swap  = 0kB
Total swap = 0kB
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2097051 pages RAM
0 pages HighMem/MovableOnly
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
lowmem_reserve[]: 0 0 0 0 0
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
369649 pages reserved
0 pages cma reserved
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
Node 1 Normal free:53716kB min:53876kB low:67344kB high:80812kB active_anon:1034028kB inactive_anon:0kB active_file:8kB inactive_file:100kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:74208kB pagetables:128892kB bounce:0kB free_pcp:200kB local_pcp:0kB free_cma:0kB
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (E) 3*8kB (U) 3*16kB (UE) 2*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10828kB
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
Node 0 DMA32: 230*4kB (ME) 188*8kB (UME) 176*16kB (UME) 193*32kB (UME) 179*64kB (UME) 70*128kB (UM) 19*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36696kB
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
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: 902*4kB (UME) 84*8kB (UME) 45*16kB (UME) 39*32kB (UME) 4*64kB (ME) 2*128kB (UM) 2*256kB (UM) 2*512kB (ME) 1*1024kB (M) 2*2048kB (UM) 10*4096kB (M) = 54376kB
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
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
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
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
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
12938 total pagecache pages
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
Total swap = 0kB
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
2097051 pages RAM
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
0 pages HighMem/MovableOnly
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
369649 pages reserved
INFO: task syz-executor.4:10392 blocked for more than 140 seconds.
0 pages cma reserved
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Unreclaimable slab info:
syz-executor.4  D26912 10392   9964 0x00000000
Call Trace:
Name                      Used          Total
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
pid_2                    192KB        196KB
batadv_tt_change_cache          1KB          3KB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000
INFO: task syz-executor.4:10403 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D26888 10403   9363 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2c2/0x720 net/core/net_namespace.c:316
 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fed5f428fe9
Code: Bad RIP value.
RSP: 002b:00007fed5dd5c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fed5f53c100 RCX: 00007fed5f428fe9
RDX: 0000000000000000 RSI: 0000000020001240 RDI: 0000000041a00000
RBP: 00007fed5f48308d R08: 0000000020001300 R09: 0000000020001300
R10: 00000000200012c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd6139405f R14: 00007fed5dd5c300 R15: 0000000000022000

Showing all locks held in the system:
3 locks held by systemd/1:
 #0: 00000000d558aaf3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
 #1: 00000000ed4154c5 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/1:1/25:
 #0: 00000000c44ab9c0 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
 #1: 00000000a4b05bae ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
 #2: 0000000074010666 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
1 lock held by khungtaskd/1570:
 #0: 000000005b11a916 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
4 locks held by kworker/u4:6/8046:
 #0: 00000000dfc865b6 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
 #1: 0000000076731d57 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
 #2: 00000000640aef11 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521
 #3: 0000000074010666 (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632
3 locks held by syz-fuzzer/8087:
 #0: 00000000f2bc0b91 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
 #1: 00000000dd41fba1 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8088:
 #0: 00000000f2bc0b91 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
 #1: 00000000dd41fba1 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8090:
 #0: 00000000f2bc0b91 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
 #1: 00000000dd41fba1 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 #2: 00000000e80dce44 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
1 lock held by syz-executor.2/8121:
 #0: 0000000074010666 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline]
 #0: 0000000074010666 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323
1 lock held by syz-executor.5/9925:
 #0: 0000000074010666 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline]
 #0: 0000000074010666 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323
2 locks held by syz-executor.4/9363:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9422:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9467:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9468:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9536:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9540:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9550:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9561:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9620:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9664:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9690:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9702:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9728:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9741:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9790:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9798:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/9799:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9891:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9904:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9918:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/9928:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
batadv_tl_cache            8KB         12KB
2 locks held by syz-executor.4/9959:
TIPC                    2088KB       2092KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
rds_tcp_connection          4KB          7KB
rds_connection             0KB          3KB
SCTPv6                  5898KB       5902KB
sctp_chunk                 5KB         11KB
sctp_bind_bucket           0KB          3KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
DCCPv6                  6917KB       6922KB
2 locks held by syz-executor.4/9964:
DCCP                    6562KB       6562KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
RXRPC                   2262KB       2262KB
2 locks held by syz-executor.4/9973:
rxrpc_call_jar         15660KB      15663KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
bridge_fdb_cache          11KB         15KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10045:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10067:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
fib6_nodes               155KB        216KB
2 locks held by syz-executor.4/10076:
ip6_dst_cache            262KB        390KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
ip6_mrt_cache              1KB          8KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
RAWv6                  28044KB      28046KB
2 locks held by syz-executor.4/10094:
UDPv6                   2638KB       2640KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
TCPv6                   4464KB       4464KB
nf_conntrack               9KB         37KB
AF_VSOCK                   1KB          3KB
t10_alua_lu_gp_cache          0KB          3KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sd_ext_cdb                 0KB          7KB
scsi_sense_cache        1056KB       1060KB
virtio_scsi_cmd           16KB         16KB
sgpool-128                 8KB          8KB
2 locks held by syz-executor.4/10217:
sgpool-64                  4KB         12KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
sgpool-32                  2KB         15KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sgpool-16                  1KB          7KB
sgpool-8                   0KB          7KB
mqueue_inode_cache         22KB         37KB
bio_post_read_ctx         14KB         15KB
bio-2                     14KB         15KB
jfs_mp                     7KB          7KB
cifs_small_rq             15KB         16KB
cifs_request              67KB         67KB
cifs_mpx_ids               0KB          7KB
nfs_commit_data            3KB         14KB
nfs_write_data            34KB         44KB
ext4_system_zone           1KB          7KB
fanotify_event_info          0KB          3KB
fsnotify_mark              0KB          3KB
dio                      435KB        438KB
bio-1                      1KB          7KB
pid_namespace              2KB          7KB
kvm_vcpu                  23KB         23KB
kvm_mmu_page_header          9KB         11KB
pte_list_desc              1KB          3KB
rpc_buffers               17KB         25KB
rpc_tasks                  2KB          7KB
UNIX                     195KB        198KB
ip_mrt_cache               0KB          4KB
tcp_bind_bucket          178KB        180KB
inet_peer_cache            0KB          4KB
xfrm_state                 2KB          4KB
ip_fib_trie               23KB         35KB
ip_fib_alias             111KB        150KB
ip_dst_cache              10KB         68KB
RAW                    16608KB      16612KB
UDP                     4691KB       4691KB
TCP                      272KB        281KB
hugetlbfs_inode_cache          3KB         15KB
fscache_cookie_jar          1KB          7KB
eventpoll_pwq              8KB         31KB
eventpoll_epi             16KB         51KB
inotify_inode_mark          7KB         11KB
request_queue            177KB        177KB
blkdev_requests            1KB          3KB
blkdev_ioc                34KB         34KB
bio-0                  11283KB      11283KB
biovec-max              8035KB       8035KB
biovec-64               6489KB       6489KB
biovec-16               2433KB       2433KB
bio_integrity_payload          1KB          8KB
khugepaged_mm_slot        159KB        163KB
uid_cache                  0KB          4KB
dmaengine-unmap-2          0KB          3KB
audit_buffer               1KB          3KB
skbuff_fclone_cache         49KB         52KB
skbuff_head_cache       8051KB       8077KB
configfs_dir_cache          3KB          7KB
file_lock_cache            8KB         19KB
file_lock_ctx              8KB         15KB
fsnotify_mark_connector          3KB          7KB
net_namespace          24211KB      24211KB
shmem_inode_cache       7888KB       8065KB
task_delay_info         1508KB       1857KB
taskstats                  9KB         22KB
proc_dir_entry        125431KB     125433KB
2 locks held by syz-executor.4/10279:
pde_opener                 2KB          7KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
seq_file                  54KB         55KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sigqueue                 182KB        189KB
2 locks held by syz-executor.4/10288:
kernfs_node_cache     363277KB     363281KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
mnt_cache                190KB        204KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
filp                    4818KB       7323KB
names_cache            47655KB      47672KB
iint_cache                28KB         55KB
key_jar                   10KB         18KB
uts_namespace              2KB          7KB
nsproxy                  240KB        245KB
vm_area_struct         25941KB      25991KB
mm_struct               4769KB       4771KB
fs_cache                2016KB       2528KB
files_cache             7253KB       8238KB
signal_cache           11188KB      12398KB
sighand_cache           7168KB       7201KB
task_struct            48757KB      48789KB
cred_jar                4822KB       5884KB
anon_vma_chain         36554KB      36579KB
anon_vma                8939KB       8954KB
pid                      689KB        864KB
Acpi-Operand             156KB        190KB
Acpi-ParseExt              9KB         11KB
Acpi-Parse                41KB         47KB
Acpi-State                52KB         63KB
Acpi-Namespace            21KB         23KB
numa_policy                0KB          3KB
debug_objects_cache      27911KB      27913KB
trace_event_file         297KB        298KB
ftrace_event_field        398KB        401KB
pool_workqueue          2899KB       2900KB
page->ptl               4731KB       4755KB
kmalloc-2097152         2050KB       2050KB
kmalloc-524288          2056KB       2056KB
kmalloc-262144          1290KB       1290KB
kmalloc-131072           780KB       1040KB
kmalloc-65536           4356KB       4356KB
kmalloc-32768         153516KB     153516KB
kmalloc-16384          46711KB      46711KB
kmalloc-8192          107365KB     107365KB
kmalloc-4096          491797KB     491797KB
kmalloc-2048          385770KB     385770KB
kmalloc-1024          155524KB     155531KB
kmalloc-512           125037KB     132532KB
kmalloc-256            81160KB      82545KB
kmalloc-128            40443KB      40556KB
kmalloc-96             10772KB      11296KB
kmalloc-64             28610KB      29504KB
kmalloc-32             25638KB      26373KB
kmalloc-192            54735KB      55896KB
kmem_cache               178KB        183KB
Out of memory (oom_kill_allocating_task): Kill process 16189 (syz-executor.4) score 0 or sacrifice child
Killed process 24035 (syz-executor.4) total-vm:57332kB, anon-rss:2468kB, file-rss:14080kB, shmem-rss:0kB
oom_reaper: reaped process 24035 (syz-executor.4), now anon-rss:0kB, file-rss:14080kB, shmem-rss:0kB
syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
syz-fuzzer cpuset=/ mems_allowed=0-1
CPU: 0 PID: 8087 Comm: syz-fuzzer Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 dump_header+0x15d/0xc3f mm/oom_kill.c:443
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
 out_of_memory mm/oom_kill.c:1114 [inline]
 out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064
 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
 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:6379
 __do_fault+0x10b/0x4b0 mm/memory.c:3403
 do_read_fault mm/memory.c:3815 [inline]
 do_fault mm/memory.c:3944 [inline]
 handle_pte_fault mm/memory.c:4175 [inline]
 __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299
 handle_mm_fault+0x436/0xb10 mm/memory.c:4336
 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x43e39d
Code: Bad RIP value.
RSP: 002b:00007fff0f171af0 EFLAGS: 00010206
RAX: 0000000001890f00 RBX: 00000000018912c0 RCX: 0000000000000000
RDX: 0000000001890df8 RSI: 00007fff0f171ac0 RDI: 00007fff0f171a9c
RBP: 00007fff0f171bc8 R08: 00007fff0f185000 R09: 000000e35e306345
R10: 000b79b54e945ad6 R11: 0000000000000001 R12: 0000000000000003
R13: 0000000001890f00 R14: 000000cda86e0175 R15: 000000000000d29e
Mem-Info:
active_anon:582760 inactive_anon:4937 isolated_anon:0
 active_file:34 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:40430 slab_unreclaimable:903269
 mapped:15354 shmem:12841 pagetables:42136 bounce:0
 free:25042 free_pcp:398 free_cma:0
Node 0 active_anon:1297012kB inactive_anon:19748kB active_file:136kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61416kB dirty:0kB writeback:0kB shmem:51364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 538624kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
2 locks held by syz-executor.4/10339:
Node 1 active_anon:1034028kB inactive_anon:0kB active_file:0kB inactive_file:76kB 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
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA free:10828kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
lowmem_reserve[]: 0 2693 2695 2695 2695
2 locks held by syz-executor.4/10364:
Node 0 DMA32 free:36244kB min:35996kB low:44992kB high:53988kB active_anon:1292916kB inactive_anon:19748kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:21312kB pagetables:39624kB bounce:0kB free_pcp:260kB local_pcp:0kB free_cma:0kB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
lowmem_reserve[]: 0 0 1 1 1
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
2 locks held by syz-executor.4/10365:
lowmem_reserve[]: 0 0 0 0 0
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 Normal free:53852kB min:53876kB low:67344kB high:80812kB active_anon:1034028kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:74176kB pagetables:128892kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
lowmem_reserve[]: 0 0 0 0 0
2 locks held by syz-executor.4/10392:
Node 0 DMA: 1*4kB (E) 3*8kB (U) 3*16kB (UE) 2*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10828kB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA32: 52*4kB (UM) 183*8kB (UM) 174*16kB (UME) 188*32kB (UME) 178*64kB (UME) 69*128kB (UM) 19*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35560kB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
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
2 locks held by syz-executor.4/10403:
Node 1 Normal: 719*4kB (UME) 60*8kB (UME) 42*16kB (UME) 37*32kB (UME) 4*64kB (ME) 2*128kB (UM) 2*256kB (UM) 2*512kB (ME) 1*1024kB (M) 2*2048kB (UM) 10*4096kB (M) = 53340kB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2 locks held by syz-executor.4/10449:
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
12874 total pagecache pages
2 locks held by syz-executor.4/10451:
0 pages in swap cache
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Swap cache stats: add 0, delete 0, find 0/0
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Free swap  = 0kB
2 locks held by syz-executor.4/10506:
Total swap = 0kB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10541:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10564:
2097051 pages RAM
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
0 pages HighMem/MovableOnly
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
369649 pages reserved
2 locks held by syz-executor.4/10618:
0 pages cma reserved
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Unreclaimable slab info:
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/10630:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10657:
Name                      Used          Total
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
pid_2                    192KB        196KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
batadv_tt_change_cache          1KB          3KB
2 locks held by syz-executor.4/10661:
batadv_tl_cache            8KB         12KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
TIPC                    2089KB       2092KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
rds_tcp_connection          4KB          7KB
2 locks held by syz-executor.4/10676:
rds_connection             0KB          3KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
SCTPv6                  5898KB       5902KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sctp_chunk                 5KB         11KB
2 locks held by syz-executor.4/10687:
sctp_bind_bucket           0KB          3KB
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
DCCPv6                  6917KB       6922KB
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10699:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10716:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/10754:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/10757:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/10776:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10777:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10812:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10850:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/10851:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10952:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/10984:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11090:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11221:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11287:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11336:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11396:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11417:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11420:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11434:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11466:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11467:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11524:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11555:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11562:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11584:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11620:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11667:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11711:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11726:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11745:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11759:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11790:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/11846:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11875:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/11902:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12043:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12090:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12091:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12149:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12220:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12224:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12257:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: sit_exit_batch_net+0x88/0x700 net/ipv6/sit.c:1889
2 locks held by syz-executor.4/12334:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12387:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12390:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12423:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12448:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12449:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12464:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12473:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12474:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12475:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12496:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12518:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12600:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12607:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12638:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12698:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12709:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12783:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12784:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12785:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12801:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12819:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12874:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12921:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/12939:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12951:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/12994:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13042:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13120:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13131:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13185:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13200:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13235:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13326:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13410:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13474:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13606:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13642:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13651:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13680:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13761:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13810:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13819:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.4/13877:
 #0: 00000000640aef11 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
 #1: 0000000074010666 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.4/13942:

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/20 09:21 linux-4.19.y 3f8a27f9e27b 5da9499f .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/16 23:28 linux-4.19.y 3f8a27f9e27b 723cfaf0 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/13 14:32 linux-4.19.y 3f8a27f9e27b 44d1319a .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/13 09:33 linux-4.19.y 3f8a27f9e27b 44d1319a .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/12 20:22 linux-4.19.y 3f8a27f9e27b 44d1319a .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/09 05:27 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/07 17:57 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2022/01/06 17:32 linux-4.19.y 3f8a27f9e27b 6acc789a .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/31 23:52 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/26 20:34 linux-4.19.y 3f8a27f9e27b e4f103c4 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/26 01:51 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/24 16:57 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/14 23:25 linux-4.19.y 3f8a27f9e27b d018dd31 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/14 07:57 linux-4.19.y 3f8a27f9e27b 5d14b1ea .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/14 04:52 linux-4.19.y 3f8a27f9e27b 5d14b1ea .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/12 21:58 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/12 16:59 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
2021/12/11 19:55 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config console log report info ci2-linux-4-19 INFO: task hung in ip_tunnel_init_net
* Struck through repros no longer work on HEAD.