======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/17665 is trying to acquire lock:
00000000acbb6c48 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260

but task is already holding lock:
00000000fd7b53c6 (&tree->tree_lock#2){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&tree->tree_lock#2){+.+.}:
       hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595
       hfsplus_setattr+0x1e7/0x310 fs/hfsplus/inode.c:263
       notify_change+0x70b/0xfc0 fs/attr.c:334
       do_truncate+0x134/0x1f0 fs/open.c:63
       handle_truncate fs/namei.c:3009 [inline]
       do_last fs/namei.c:3427 [inline]
       path_openat+0x2308/0x2df0 fs/namei.c:3537
       do_filp_open+0x18c/0x3f0 fs/namei.c:3567
       do_sys_open+0x3b3/0x520 fs/open.c:1085
       do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:937 [inline]
       __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
       hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260
       block_read_full_page+0x288/0xd10 fs/buffer.c:2259
       do_read_cache_page+0x533/0x1170 mm/filemap.c:2828
       read_mapping_page include/linux/pagemap.h:402 [inline]
       __hfs_bnode_create+0x5b7/0xb60 fs/hfsplus/bnode.c:447
       hfsplus_bnode_find+0x2aa/0xb80 fs/hfsplus/bnode.c:497
       hfsplus_brec_find+0x2af/0x500 fs/hfsplus/bfind.c:183
       hfsplus_brec_read+0x28/0x120 fs/hfsplus/bfind.c:222
       hfsplus_find_cat+0x1d0/0x480 fs/hfsplus/catalog.c:202
       hfsplus_iget+0x400/0x790 fs/hfsplus/super.c:81
       hfsplus_fill_super+0xc5f/0x19e0 fs/hfsplus/super.c:503
       mount_bdev+0x2fc/0x3b0 fs/super.c:1158
       mount_fs+0xa3/0x310 fs/super.c:1261
       vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
       vfs_kern_mount fs/namespace.c:951 [inline]
       do_new_mount fs/namespace.c:2492 [inline]
       do_mount+0x115c/0x2f50 fs/namespace.c:2822
       ksys_mount+0xcf/0x130 fs/namespace.c:3038
       __do_sys_mount fs/namespace.c:3052 [inline]
       __se_sys_mount fs/namespace.c:3049 [inline]
       __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
       do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&tree->tree_lock#2);
                               lock(&HFSPLUS_I(inode)->extents_lock);
                               lock(&tree->tree_lock#2);
  lock(&HFSPLUS_I(inode)->extents_lock);

 *** DEADLOCK ***

2 locks held by syz-executor.4/17665:
 #0: 00000000a1f06d2a (&type->s_umount_key#56/1){+.+.}, at: alloc_super fs/super.c:226 [inline]
 #0: 00000000a1f06d2a (&type->s_umount_key#56/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519
 #1: 00000000fd7b53c6 (&tree->tree_lock#2){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30

stack backtrace:
CPU: 0 PID: 17665 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2420 [inline]
 __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __mutex_lock_common kernel/locking/mutex.c:937 [inline]
 __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
 hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260
 block_read_full_page+0x288/0xd10 fs/buffer.c:2259
 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828
 read_mapping_page include/linux/pagemap.h:402 [inline]
 __hfs_bnode_create+0x5b7/0xb60 fs/hfsplus/bnode.c:447
 hfsplus_bnode_find+0x2aa/0xb80 fs/hfsplus/bnode.c:497
 hfsplus_brec_find+0x2af/0x500 fs/hfsplus/bfind.c:183
 hfsplus_brec_read+0x28/0x120 fs/hfsplus/bfind.c:222
 hfsplus_find_cat+0x1d0/0x480 fs/hfsplus/catalog.c:202
 hfsplus_iget+0x400/0x790 fs/hfsplus/super.c:81
 hfsplus_fill_super+0xc5f/0x19e0 fs/hfsplus/super.c:503
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5a597db62a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5a57d4bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000005f8 RCX: 00007f5a597db62a
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007f5a57d4bfe0
RBP: 00007f5a57d4c020 R08: 00007f5a57d4c020 R09: 0000000000200008
R10: 0000000000200008 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000080 R14: 00007f5a57d4bfe0 R15: 0000000020000040
hfsplus: failed to load root directory
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1677874551.996:99): pid=17648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir544636966/syzkaller.NF90YV/132/file0/bus" dev="loop0" ino=18 res=1
EXT4-fs (loop0): Online defrag not supported with bigalloc
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
hfsplus: failed to load root directory
audit: type=1804 audit(1677874552.026:100): pid=17648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir544636966/syzkaller.NF90YV/132/file0/bus" dev="loop0" ino=18 res=1
audit: type=1804 audit(1677874552.256:101): pid=17731 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir544636966/syzkaller.NF90YV/133/bus" dev="sda1" ino=14698 res=1
audit: type=1804 audit(1677874552.256:102): pid=17731 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir544636966/syzkaller.NF90YV/133/bus" dev="sda1" ino=14698 res=1
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
hfsplus: failed to load root directory
hfsplus: failed to load root directory
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1677874552.806:103): pid=17788 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir1851797155/syzkaller.2hRNfz/21/file0/bus" dev="loop5" ino=18 res=1
EXT4-fs (loop5): Online defrag not supported with bigalloc
audit: type=1804 audit(1677874552.846:104): pid=17788 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir1851797155/syzkaller.2hRNfz/21/file0/bus" dev="loop5" ino=18 res=1
hfsplus: failed to load root directory
hfsplus: failed to load root directory
IPVS: ftp: loaded support on port[0] = 21
hfsplus: failed to load root directory
hfsplus: failed to load root directory
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
IPVS: ftp: loaded support on port[0] = 21
hfsplus: failed to load root directory
hfsplus: failed to load root directory
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
hfsplus: failed to load root directory
bond0 (unregistering): Released all slaves
IPVS: ftp: loaded support on port[0] = 21
hfsplus: failed to load root directory
hfsplus: failed to load root directory
hfsplus: failed to load root directory
IPVS: ftp: loaded support on port[0] = 21
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
IPVS: ftp: loaded support on port[0] = 21
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
bond0 (unregistering): Released all slaves
IPVS: ftp: loaded support on port[0] = 21
bond0 (unregistering): Released all slaves
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 18575 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
 sctp_bucket_create net/sctp/socket.c:7985 [inline]
 sctp_get_port_local+0x9f0/0x11d0 net/sctp/socket.c:7747
 sctp_do_bind+0x28d/0x6d0 net/sctp/socket.c:447
 sctp_autobind net/sctp/socket.c:8049 [inline]
 sctp_sendmsg_new_asoc+0xc07/0x1040 net/sctp/socket.c:1730
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdd50284f R14: 00007fea461d3300 R15: 0000000000022000
IPVS: ftp: loaded support on port[0] = 21
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 18720 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x46/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_add_bind_addr+0x77/0x370 net/sctp/bind_addr.c:159
 sctp_do_bind+0x33b/0x6d0 net/sctp/socket.c:460
 sctp_autobind net/sctp/socket.c:8049 [inline]
 sctp_sendmsg_new_asoc+0xc07/0x1040 net/sctp/socket.c:1730
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdd50284f R14: 00007fea461d3300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPVS: ftp: loaded support on port[0] = 21
CPU: 0 PID: 18745 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_association_new+0x79/0x1f10 net/sctp/associola.c:313
 sctp_sendmsg_new_asoc+0x342/0x1040 net/sctp/socket.c:1755
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdd50284f R14: 00007fea461d3300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 18845 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:3088 [inline]
 prepare_alloc_pages mm/page_alloc.c:4346 [inline]
 __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393
 __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
 cache_alloc_refill+0x273/0x340 mm/slab.c:3049
 ____cache_alloc mm/slab.c:3132 [inline]
 __do_cache_alloc mm/slab.c:3354 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x354/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_association_new+0x79/0x1f10 net/sctp/associola.c:313
 sctp_sendmsg_new_asoc+0x342/0x1040 net/sctp/socket.c:1755
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdd50284f R14: 00007fea461d3300 R15: 0000000000022000
IPVS: ftp: loaded support on port[0] = 21
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 18864 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
 sctp_bucket_create net/sctp/socket.c:7985 [inline]
 sctp_get_port_local+0x9f0/0x11d0 net/sctp/socket.c:7747
 sctp_do_bind+0x28d/0x6d0 net/sctp/socket.c:447
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
 sctp_autobind net/sctp/socket.c:8049 [inline]
 sctp_sendmsg_new_asoc+0xc07/0x1040 net/sctp/socket.c:1730
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5269e1a0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f526838c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f5269f39f80 RCX: 00007f5269e1a0f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007f526838c1d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc29add49f R14: 00007f526838c300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 18936 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_auth_shkey_create+0x65/0x190 net/sctp/auth.c:99
 sctp_auth_asoc_copy_shkeys+0x1fb/0x2c0 net/sctp/auth.c:378
 sctp_association_init net/sctp/associola.c:274 [inline]
 sctp_association_new+0x1587/0x1f10 net/sctp/associola.c:317
 sctp_sendmsg_new_asoc+0x342/0x1040 net/sctp/socket.c:1755
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
IPVS: ftp: loaded support on port[0] = 21
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffdd50284f R14: 00007fea461d3300 R15: 0000000000022000
CPU: 0 PID: 18945 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x46/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_add_bind_addr+0x77/0x370 net/sctp/bind_addr.c:159
 sctp_do_bind+0x33b/0x6d0 net/sctp/socket.c:460
 sctp_autobind net/sctp/socket.c:8049 [inline]
 sctp_sendmsg_new_asoc+0xc07/0x1040 net/sctp/socket.c:1730
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5269e1a0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f526838c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f5269f39f80 RCX: 00007f5269e1a0f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007f526838c1d0 R08: 0000000020618000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc29add49f R14: 00007f526838c300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPVS: ftp: loaded support on port[0] = 21
CPU: 1 PID: 19029 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x46/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 sctp_add_bind_addr+0x77/0x370 net/sctp/bind_addr.c:159
 sctp_copy_local_addr_list+0x33e/0x4e0 net/sctp/protocol.c:180
 sctp_copy_one_addr net/sctp/bind_addr.c:452 [inline]
 sctp_bind_addr_copy+0xde/0x470 net/sctp/bind_addr.c:71
 sctp_sendmsg_new_asoc+0x367/0x1040 net/sctp/socket.c:1759
 sctp_sendmsg+0x1146/0x1580 net/sctp/socket.c:2122
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fea47c610f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea461d3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fea47d80f80 RCX: 00007fea47c610f9
RDX: 0000000000000001 RSI: 00000000203cef9f RDI: 0000000000000003
RBP: 00007fea461d31d0 R08: 0000000020618000 R09: 0000000000000010