bisecting fixing commit since 555161ee1b7a74e77ca70fd14ed8a5137c8108ac
building syzkaller on 2e29b534005e52c57d726201644ea28ba33a9a3d
testing commit 555161ee1b7a74e77ca70fd14ed8a5137c8108ac with gcc (GCC) 8.1.0
kernel signature: 65739211671ea7d431a7e56c3333c3036c817be5
run #0: crashed: general protection fault in scatterwalk_copychunks
run #1: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #2: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #3: crashed: KASAN: use-after-free Read in scatterwalk_copychunks
run #4: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #5: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #6: crashed: general protection fault in scatterwalk_copychunks
run #7: crashed: KASAN: slab-out-of-bounds in scatterwalk_copychunks
run #8: crashed: general protection fault in corrupted
run #9: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
testing current HEAD fb683b5e3f53a73e761952735736180939a313df
testing commit fb683b5e3f53a73e761952735736180939a313df with gcc (GCC) 8.1.0
kernel signature: fe8c1abdf42be95b6a6101f58149f33fc9cf1bb5
run #0: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #1: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #2: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #3: crashed: general protection fault in scatterwalk_copychunks
run #4: crashed: general protection fault in scatterwalk_copychunks
run #5: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #6: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #7: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #8: crashed: KASAN: slab-out-of-bounds Read in scatterwalk_copychunks
run #9: crashed: general protection fault in scatterwalk_copychunks
revisions tested: 2, total time: 25m30.712351585s (build: 17m24.072854434s, test: 7m13.568753515s)
the crash still happens on HEAD
commit msg: Linux 4.19.88
crash: general protection fault in scatterwalk_copychunks
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
kasan: GPF could be caused by NULL-ptr deref or user memory access
kobject: 'loop3' (00000000d1938a46): kobject_uevent_env
8021q: adding VLAN 0 to HW filter on device batadv0
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'loop3' (00000000d1938a46): fill_kobj_path: path = '/devices/virtual/block/loop3'
CPU: 1 PID: 7091 Comm: syz-executor.2 Not tainted 4.19.88-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline]
RIP: 0010:scatterwalk_copychunks+0x379/0x610 crypto/scatterwalk.c:55
Code: ff ff 48 89 c7 e8 07 f9 29 00 4c 89 f2 48 c1 ea 03 42 80 3c 3a 00 0f 85 a8 01 00 00 48 8d 70 08 49 89 06 48 89 f2 48 c1 ea 03 <42> 0f b6 14 3a 84 d2 74 09 80 fa 03 0f 8e 6b 01 00 00 48 8b 5d d0
RSP: 0018:ffff8880a01ef498 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88807eb4a6ec RCX: 000000000000401d
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88807eb4a6e0
RBP: ffff8880a01ef4f8 R08: ffffed10140df804 R09: ffffed10140df800
R10: 0000000000000000 R11: ffff8880a06fc01c R12: 0000000000001000
R13: 000000000000001d R14: ffff8880a01ef538 R15: dffffc0000000000
FS:  00007ff7c0c1b700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'vlan0' (00000000148f2f06): kobject_add_internal: parent: 'mesh', set: '<NULL>'
CR2: 0000000000960004 CR3: 000000009862c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 scatterwalk_map_and_copy+0x128/0x190 crypto/scatterwalk.c:72
8021q: adding VLAN 0 to HW filter on device batadv0
kobject: 'vlan0' (00000000ea10e806): kobject_add_internal: parent: 'mesh', set: '<NULL>'
 gcmaes_encrypt.constprop.15+0x81b/0xda0 arch/x86/crypto/aesni-intel_glue.c:980
kobject: 'loop1' (00000000bd8d8e62): kobject_uevent_env
kobject: 'loop1' (00000000bd8d8e62): fill_kobj_path: path = '/devices/virtual/block/loop1'
 generic_gcmaes_encrypt+0xfd/0x150 arch/x86/crypto/aesni-intel_glue.c:1297
 crypto_aead_encrypt include/crypto/aead.h:335 [inline]
 gcmaes_wrapper_encrypt+0x109/0x180 arch/x86/crypto/aesni-intel_glue.c:1130
 crypto_aead_encrypt include/crypto/aead.h:335 [inline]
 tls_do_encryption net/tls/tls_sw.c:193 [inline]
 tls_push_record+0x966/0x1720 net/tls/tls_sw.c:228
 tls_sw_sendpage+0x458/0xc00 net/tls/tls_sw.c:585
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff7c0c1ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007ff7c0c1ac90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff7c0c1b6d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
Modules linked in:
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
kobject: 'loop0' (00000000ef49a8f5): kobject_uevent_env
bridge0: port 2(bridge_slave_1) entered blocking state
kobject: 'loop0' (00000000ef49a8f5): fill_kobj_path: path = '/devices/virtual/block/loop0'
bridge0: port 2(bridge_slave_1) entered forwarding state
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
CPU: 0 PID: 7103 Comm: syz-executor.3 Tainted: G      D           4.19.88-syzkaller #0
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
 __should_failslab+0xba/0xf0 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2dd/0x770 mm/slab.c:3736
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
 kmalloc include/linux/slab.h:520 [inline]
 aead_request_alloc include/crypto/aead.h:425 [inline]
 tls_push_record+0xf3/0x1720 net/tls/tls_sw.c:209
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
 tls_sw_sendpage+0x458/0xc00 net/tls/tls_sw.c:585
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
8021q: adding VLAN 0 to HW filter on device batadv0
kobject: 'vlan0' (0000000046a3c5e6): kobject_add_internal: parent: 'mesh', set: '<NULL>'
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
---[ end trace 81179ff555e1d564 ]---
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline]
RIP: 0010:scatterwalk_copychunks+0x379/0x610 crypto/scatterwalk.c:55
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f585f307c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007f585f307c90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f585f3086d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
kobject: 'loop4' (000000005c8382b8): kobject_uevent_env
CPU: 1 PID: 7109 Comm: syz-executor.0 Tainted: G      D           4.19.88-syzkaller #0
kobject: 'loop4' (000000005c8382b8): fill_kobj_path: path = '/devices/virtual/block/loop4'
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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
 __should_failslab+0xba/0xf0 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2dd/0x770 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 aead_request_alloc include/crypto/aead.h:425 [inline]
 tls_push_record+0xf3/0x1720 net/tls/tls_sw.c:209
 tls_sw_sendpage+0x458/0xc00 net/tls/tls_sw.c:585
kobject: 'loop5' (000000009af29266): kobject_uevent_env
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
kobject: 'loop5' (000000009af29266): fill_kobj_path: path = '/devices/virtual/block/loop5'
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
Code: ff ff 48 89 c7 e8 07 f9 29 00 4c 89 f2 48 c1 ea 03 42 80 3c 3a 00 0f 85 a8 01 00 00 48 8d 70 08 49 89 06 48 89 f2 48 c1 ea 03 <42> 0f b6 14 3a 84 d2 74 09 80 fa 03 0f 8e 6b 01 00 00 48 8b 5d d0
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
RSP: 0018:ffff8880a01ef498 EFLAGS: 00010202
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
kobject: 'loop3' (00000000d1938a46): kobject_uevent_env
RSP: 002b:00007fa0739d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fa0739d6c90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa0739d76d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
CPU: 0 PID: 7107 Comm: syz-executor.1 Tainted: G      D           4.19.88-syzkaller #0
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
 __should_failslab+0xba/0xf0 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2dd/0x770 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 aead_request_alloc include/crypto/aead.h:425 [inline]
 tls_push_record+0xf3/0x1720 net/tls/tls_sw.c:209
 tls_sw_sendpage+0x458/0xc00 net/tls/tls_sw.c:585
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb21a0a0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fb21a0a0c90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb21a0a16d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
kobject: 'loop3' (00000000d1938a46): fill_kobj_path: path = '/devices/virtual/block/loop3'
RAX: 0000000000000000 RBX: ffff88807eb4a6ec RCX: 000000000000401d
kobject: 'loop0' (00000000ef49a8f5): kobject_uevent_env
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88807eb4a6e0
kobject: 'loop0' (00000000ef49a8f5): fill_kobj_path: path = '/devices/virtual/block/loop0'
RBP: ffff8880a01ef4f8 R08: ffffed10140df804 R09: ffffed10140df800
kobject: 'loop1' (00000000bd8d8e62): kobject_uevent_env
R10: 0000000000000000 R11: ffff8880a06fc01c R12: 0000000000001000
kobject: 'loop1' (00000000bd8d8e62): fill_kobj_path: path = '/devices/virtual/block/loop1'
R13: 000000000000001d R14: ffff8880a01ef538 R15: dffffc0000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FS:  00007ff7c0c1b700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 7124 Comm: syz-executor.3 Tainted: G      D           4.19.88-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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:3086 [inline]
 prepare_alloc_pages mm/page_alloc.c:4344 [inline]
 __alloc_pages_nodemask+0x1d5/0x710 mm/page_alloc.c:4391
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8d0 mm/slab.c:2682
 cache_alloc_refill mm/slab.c:3049 [inline]
 ____cache_alloc mm/slab.c:3132 [inline]
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0x664/0x730 mm/slab.c:3647
 __alloc_skb+0xa7/0x580 net/core/skbuff.c:193
 alloc_skb_fclone include/linux/skbuff.h:1037 [inline]
 sk_stream_alloc_skb+0x9c/0x810 net/ipv4/tcp.c:874
 do_tcp_sendpages+0x749/0x1da0 net/ipv4/tcp.c:993
 tcp_sendpage_locked+0x63/0xa0 net/ipv4/tcp.c:1097
 tcp_sendpage+0x37/0x50 net/ipv4/tcp.c:1107
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f585f2e6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007f585f2e6c90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f585f2e76d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CPU: 1 PID: 7129 Comm: syz-executor.1 Tainted: G      D           4.19.88-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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
 __should_failslab+0xba/0xf0 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2dd/0x770 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 aead_request_alloc include/crypto/aead.h:425 [inline]
 tls_push_record+0xf3/0x1720 net/tls/tls_sw.c:209
 tls_sw_sendpage+0x458/0xc00 net/tls/tls_sw.c:585
 inet_sendpage+0x122/0x600 net/ipv4/af_inet.c:815
 kernel_sendpage+0x60/0xd0 net/socket.c:3377
 sock_sendpage+0x6d/0xd0 net/socket.c:847
 pipe_to_sendpage+0x212/0x430 fs/splice.c:452
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x2cb/0x720 fs/splice.c:627
 splice_from_pipe+0xbb/0x120 fs/splice.c:662
 generic_splice_sendpage+0x10/0x20 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice+0x4fd/0x1250 fs/splice.c:1148
 __do_sys_splice fs/splice.c:1415 [inline]
 __se_sys_splice fs/splice.c:1395 [inline]
 __x64_sys_splice+0x248/0x300 fs/splice.c:1395
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb21a07fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fb21a07fc90 RCX: 0000000000459a29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 000000011d100000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb21a0806d4
R13: 00000000004c9478 R14: 00000000004dfdd8 R15: 0000000000000005
kobject: 'loop3' (00000000d1938a46): kobject_uevent_env
CR2: 0000000000625208 CR3: 000000009862c000 CR4: 00000000001406e0
CPU: 0 PID: 7128 Comm: syz-executor.0 Tainted: G      D           4.19.88-syzkaller #0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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+0x123/0x177 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0x5/0x13 lib/fault-inject.c:149
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 __should_failslab+0xba/0xf0 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2dd/0x770 mm/slab.c:3736