WARNING in netns_passive_drop
kernel_init_freeable+0x435/0x5d0 init/main.c:1577
kernel_init+0x1d/0x2b0 init/main.c:1466
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ref_tracker: net notrefcnt@ffffffff9a7a0da0 skipped reports about 28/48 users.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 24 at lib/ref_tracker.c:179 ref_tracker_dir_exit+0x411/0x550 lib/ref_tracker.c:179
Modules linked in:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-01150-gb44e27b4df1a-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:ref_tracker_dir_exit+0x411/0x550 lib/ref_tracker.c:179
Code: 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 c8 cc d4 06 eb 1a e8 61 f4 a4 fc 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 b0 cc d4 06 90 <0f> 0b 90 48 83 c3 44 48 89 df be 04 00 00 00 e8 cb 5a 0b fd 48 89
RSP: 0018:ffffc900001e78e0 EFLAGS: 00010246
RAX: f3f5990881aae000 RBX: ffffffff9a7a0da0 RCX: 0000000000000101
RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
RBP: ffffc900001e79b8 R08: ffffffff901a5777 R09: 1ffffffff2034aee
R10: dffffc0000000000 R11: fffffbfff2034aef R12: 1ffff11003cd1450
R13: dead000000000100 R14: ffffffff9a7a0df0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc47b976038 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
netns_passive_drop+0x75/0xc0 net/core/net_namespace.c:473
__sk_destruct+0x598/0x690 net/core/sock.c:2310
rcu_do_batch kernel/rcu/tree.c:2567 [inline]
rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Warning: Permanently added '10.128.10.21' (ED25519) to the list of known hosts.
2025/01/16 13:52:40 ignoring optional flag "sandboxArg"="0"
2025/01/16 13:52:40 parsed 1 programs
[ 67.439333][ T5828] cgroup: Unknown subsys name 'net'
[ 67.573168][ T5828] cgroup: Unknown subsys name 'cpuset'
[ 67.582501][ T5828] cgroup: Unknown subsys name 'rlimit'
[ 68.876235][ T5828] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 71.685267][ T5837] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 71.862580][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.869260][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.429896][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 72.439025][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 72.451281][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 72.475181][ T55] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 72.483504][ T55] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 72.492238][ T55] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 72.930792][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 2/48 users at
[ 72.930792][ C1] netlink_release+0x16d3/0x1bf0
[ 72.930792][ C1] sock_release+0x82/0x150
[ 72.930792][ C1] rtnetlink_net_exit+0x40/0x60
[ 72.930792][ C1] cleanup_net+0x812/0xd60
[ 72.930792][ C1] process_scheduled_works+0xa66/0x1840
[ 72.930792][ C1] worker_thread+0x870/0xd30
[ 72.930792][ C1] kthread+0x2f0/0x390
[ 72.930792][ C1] ret_from_fork+0x4b/0x80
[ 72.930792][ C1] ret_from_fork_asm+0x1a/0x30
[ 72.930792][ C1]
[ 72.987103][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 2/48 users at
[ 72.987103][ C1] netlink_release+0x16d3/0x1bf0
[ 72.987103][ C1] sock_release+0x82/0x150
[ 72.987103][ C1] genl_pernet_exit+0x40/0x60
[ 72.987103][ C1] cleanup_net+0x812/0xd60
[ 72.987103][ C1] process_scheduled_works+0xa66/0x1840
[ 72.987103][ C1] worker_thread+0x870/0xd30
[ 72.987103][ C1] kthread+0x2f0/0x390
[ 72.987103][ C1] ret_from_fork+0x4b/0x80
[ 72.987103][ C1] ret_from_fork_asm+0x1a/0x30
[ 72.987103][ C1]
[ 73.043918][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 2/48 users at
[ 73.043918][ C1] netlink_release+0x16d3/0x1bf0
[ 73.043918][ C1] sock_release+0x82/0x150
[ 73.043918][ C1] cleanup_net+0x812/0xd60
[ 73.043918][ C1] process_scheduled_works+0xa66/0x1840
[ 73.043918][ C1] worker_thread+0x870/0xd30
[ 73.043918][ C1] kthread+0x2f0/0x390
[ 73.043918][ C1] ret_from_fork+0x4b/0x80
[ 73.043918][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.043918][ C1]
[ 73.094717][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 2/48 users at
[ 73.094717][ C1] netlink_release+0x16d3/0x1bf0
[ 73.094717][ C1] sock_release+0x82/0x150
[ 73.094717][ C1] uevent_net_exit+0xc4/0x1e0
[ 73.094717][ C1] cleanup_net+0x812/0xd60
[ 73.094717][ C1] process_scheduled_works+0xa66/0x1840
[ 73.094717][ C1] worker_thread+0x870/0xd30
[ 73.094717][ C1] kthread+0x2f0/0x390
[ 73.094717][ C1] ret_from_fork+0x4b/0x80
[ 73.094717][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.094717][ C1]
[ 73.152386][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.152386][ C1] netlink_release+0x16d3/0x1bf0
[ 73.152386][ C1] sock_release+0x82/0x150
[ 73.152386][ C1] fib_net_exit+0x48/0x70
[ 73.152386][ C1] cleanup_net+0x812/0xd60
[ 73.152386][ C1] process_scheduled_works+0xa66/0x1840
[ 73.152386][ C1] worker_thread+0x870/0xd30
[ 73.152386][ C1] kthread+0x2f0/0x390
[ 73.152386][ C1] ret_from_fork+0x4b/0x80
[ 73.152386][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.152386][ C1]
[ 73.207891][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.207891][ C1] sk_alloc+0x2b6/0x370
[ 73.207891][ C1] inet6_create+0x6ce/0x10f0
[ 73.207891][ C1] __sock_create+0x4c0/0xa30
[ 73.207891][ C1] udp_sock_create6+0xe7/0x870
[ 73.207891][ C1] rxe_net_init+0x2b2/0x580
[ 73.207891][ C1] rxe_module_init+0x2b/0x70
[ 73.207891][ C1] do_one_initcall+0x248/0x870
[ 73.207891][ C1] do_initcall_level+0x157/0x210
[ 73.207891][ C1] do_initcalls+0x3f/0x80
[ 73.207891][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.207891][ C1] kernel_init+0x1d/0x2b0
[ 73.207891][ C1] ret_from_fork+0x4b/0x80
[ 73.207891][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.207891][ C1]
[ 73.285882][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.285882][ C1] sk_alloc+0x2b6/0x370
[ 73.285882][ C1] inet_create+0x648/0xea0
[ 73.285882][ C1] __sock_create+0x4c0/0xa30
[ 73.285882][ C1] udp_sock_create4+0xda/0x670
[ 73.285882][ C1] rxe_net_init+0x142/0x580
[ 73.285882][ C1] rxe_module_init+0x2b/0x70
[ 73.285882][ C1] do_one_initcall+0x248/0x870
[ 73.285882][ C1] do_initcall_level+0x157/0x210
[ 73.285882][ C1] do_initcalls+0x3f/0x80
[ 73.285882][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.285882][ C1] kernel_init+0x1d/0x2b0
[ 73.285882][ C1] ret_from_fork+0x4b/0x80
[ 73.285882][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.285882][ C1]
[ 73.362776][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.362776][ C1] sk_alloc+0x2b6/0x370
[ 73.362776][ C1] inet6_create+0x6ce/0x10f0
[ 73.362776][ C1] __sock_create+0x4c0/0xa30
[ 73.362776][ C1] udp_sock_create6+0xe7/0x870
[ 73.362776][ C1] rxrpc_lookup_local+0xd8f/0x1890
[ 73.362776][ C1] rxrpc_bind+0x3b7/0x700
[ 73.362776][ C1] kernel_bind+0x102/0x150
[ 73.362776][ C1] afs_open_socket+0x2a6/0x610
[ 73.362776][ C1] afs_net_init+0x7b9/0x9a0
[ 73.362776][ C1] ops_init+0x31e/0x590
[ 73.362776][ C1] register_pernet_operations+0x30d/0x630
[ 73.362776][ C1] register_pernet_device+0x33/0x80
[ 73.362776][ C1] afs_init+0xf4/0x1f0
[ 73.362776][ C1] do_one_initcall+0x248/0x870
[ 73.362776][ C1] do_initcall_level+0x157/0x210
[ 73.362776][ C1] do_initcalls+0x3f/0x80
[ 73.362776][ C1]
[ 73.460422][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.460422][ C1] sk_alloc+0x2b6/0x370
[ 73.460422][ C1] rxrpc_create+0xda/0x690
[ 73.460422][ C1] __sock_create+0x4c0/0xa30
[ 73.460422][ C1] afs_open_socket+0xe4/0x610
[ 73.460422][ C1] afs_net_init+0x7b9/0x9a0
[ 73.460422][ C1] ops_init+0x31e/0x590
[ 73.460422][ C1] register_pernet_operations+0x30d/0x630
[ 73.460422][ C1] register_pernet_device+0x33/0x80
[ 73.460422][ C1] afs_init+0xf4/0x1f0
[ 73.460422][ C1] do_one_initcall+0x248/0x870
[ 73.460422][ C1] do_initcall_level+0x157/0x210
[ 73.460422][ C1] do_initcalls+0x3f/0x80
[ 73.460422][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.460422][ C1] kernel_init+0x1d/0x2b0
[ 73.460422][ C1] ret_from_fork+0x4b/0x80
[ 73.460422][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.460422][ C1]
[ 73.553960][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.553960][ C1] sk_alloc+0x2b6/0x370
[ 73.553960][ C1] tipc_sk_create+0x16b/0x1eb0
[ 73.553960][ C1] __sock_create+0x4c0/0xa30
[ 73.553960][ C1] tipc_topsrv_init_net+0x40d/0x9d0
[ 73.553960][ C1] ops_init+0x31e/0x590
[ 73.553960][ C1] register_pernet_operations+0x30d/0x630
[ 73.553960][ C1] register_pernet_device+0x33/0x80
[ 73.553960][ C1] tipc_init+0x8d/0x190
[ 73.553960][ C1] do_one_initcall+0x248/0x870
[ 73.553960][ C1] do_initcall_level+0x157/0x210
[ 73.553960][ C1] do_initcalls+0x3f/0x80
[ 73.553960][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.553960][ C1] kernel_init+0x1d/0x2b0
[ 73.553960][ C1] ret_from_fork+0x4b/0x80
[ 73.553960][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.553960][ C1]
[ 73.640310][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.640310][ C1] sk_alloc+0x2b6/0x370
[ 73.640310][ C1] inet6_create+0x6ce/0x10f0
[ 73.640310][ C1] __sock_create+0x4c0/0xa30
[ 73.640310][ C1] rds_tcp_listen_init+0xd5/0x5a0
[ 73.640310][ C1] rds_tcp_init_net+0x141/0x320
[ 73.640310][ C1] ops_init+0x31e/0x590
[ 73.640310][ C1] register_pernet_operations+0x30d/0x630
[ 73.640310][ C1] register_pernet_device+0x33/0x80
[ 73.640310][ C1] rds_tcp_init+0xed/0x1b0
[ 73.640310][ C1] do_one_initcall+0x248/0x870
[ 73.640310][ C1] do_initcall_level+0x157/0x210
[ 73.640310][ C1] do_initcalls+0x3f/0x80
[ 73.640310][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.640310][ C1] kernel_init+0x1d/0x2b0
[ 73.640310][ C1] ret_from_fork+0x4b/0x80
[ 73.640310][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.640310][ C1]
[ 73.732214][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.732214][ C1] sk_alloc+0x2b6/0x370
[ 73.732214][ C1] inet6_create+0x6ce/0x10f0
[ 73.732214][ C1] __sock_create+0x4c0/0xa30
[ 73.732214][ C1] inet_ctl_sock_create+0xc2/0x250
[ 73.732214][ C1] sctp_ctrlsock_init+0x44/0xd0
[ 73.732214][ C1] ops_init+0x31e/0x590
[ 73.732214][ C1] register_pernet_operations+0x30d/0x630
[ 73.732214][ C1] register_pernet_subsys+0x28/0x40
[ 73.732214][ C1] sctp_init+0x696/0x8a0
[ 73.732214][ C1] do_one_initcall+0x248/0x870
[ 73.732214][ C1] do_initcall_level+0x157/0x210
[ 73.732214][ C1] do_initcalls+0x3f/0x80
[ 73.732214][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.732214][ C1] kernel_init+0x1d/0x2b0
[ 73.732214][ C1] ret_from_fork+0x4b/0x80
[ 73.732214][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.732214][ C1]
[ 73.825493][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.825493][ C1] sk_alloc+0x2b6/0x370
[ 73.825493][ C1] inet6_create+0x6ce/0x10f0
[ 73.825493][ C1] __sock_create+0x4c0/0xa30
[ 73.825493][ C1] inet_ctl_sock_create+0xc2/0x250
[ 73.825493][ C1] ops_init+0x31e/0x590
[ 73.825493][ C1] register_pernet_operations+0x30d/0x630
[ 73.825493][ C1] register_pernet_subsys+0x28/0x40
[ 73.825493][ C1] dccp_v6_init+0x4a/0xc0
[ 73.825493][ C1] do_one_initcall+0x248/0x870
[ 73.825493][ C1] do_initcall_level+0x157/0x210
[ 73.825493][ C1] do_initcalls+0x3f/0x80
[ 73.825493][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.825493][ C1] kernel_init+0x1d/0x2b0
[ 73.825493][ C1] ret_from_fork+0x4b/0x80
[ 73.825493][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.825493][ C1]
[ 73.912550][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.912550][ C1] sk_alloc+0x2b6/0x370
[ 73.912550][ C1] inet_create+0x648/0xea0
[ 73.912550][ C1] __sock_create+0x4c0/0xa30
[ 73.912550][ C1] inet_ctl_sock_create+0xc2/0x250
[ 73.912550][ C1] ops_init+0x31e/0x590
[ 73.912550][ C1] register_pernet_operations+0x30d/0x630
[ 73.912550][ C1] register_pernet_subsys+0x28/0x40
[ 73.912550][ C1] dccp_v4_init+0x4a/0xc0
[ 73.912550][ C1] do_one_initcall+0x248/0x870
[ 73.912550][ C1] do_initcall_level+0x157/0x210
[ 73.912550][ C1] do_initcalls+0x3f/0x80
[ 73.912550][ C1] kernel_init_freeable+0x435/0x5d0
[ 73.912550][ C1] kernel_init+0x1d/0x2b0
[ 73.912550][ C1] ret_from_fork+0x4b/0x80
[ 73.912550][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.912550][ C1]
[ 73.999740][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 73.999740][ C1] sk_alloc+0x2b6/0x370
[ 73.999740][ C1] bt_sock_alloc+0x3c/0x340
[ 73.999740][ C1] l2cap_sock_create+0x13d/0x2f0
[ 73.999740][ C1] bt_sock_create+0x161/0x230
[ 73.999740][ C1] __sock_create+0x4c0/0xa30
[ 73.999740][ C1] rfcomm_run+0x2f8/0x6d80
[ 73.999740][ C1] kthread+0x2f0/0x390
[ 73.999740][ C1] ret_from_fork+0x4b/0x80
[ 73.999740][ C1] ret_from_fork_asm+0x1a/0x30
[ 73.999740][ C1]
[ 74.054436][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 has 1/48 users at
[ 74.054436][ C1] sk_alloc+0x2b6/0x370
[ 74.054436][ C1] inet6_create+0x6ce/0x10f0
[ 74.054436][ C1] __sock_create+0x4c0/0xa30
[ 74.054436][ C1] inet_ctl_sock_create+0xc2/0x250
[ 74.054436][ C1] tcpv6_net_init+0x34/0xb0
[ 74.054436][ C1] ops_init+0x31e/0x590
[ 74.054436][ C1] register_pernet_operations+0x30d/0x630
[ 74.054436][ C1] register_pernet_subsys+0x28/0x40
[ 74.054436][ C1] tcpv6_init+0xfd/0x1c0
[ 74.054436][ C1] inet6_init+0x458/0x6a0
[ 74.054436][ C1] do_one_initcall+0x248/0x870
[ 74.054436][ C1] do_initcall_level+0x157/0x210
[ 74.054436][ C1] do_initcalls+0x3f/0x80
[ 74.054436][ C1] kernel_init_freeable+0x435/0x5d0
[ 74.054436][ C1] kernel_init+0x1d/0x2b0
[ 74.054436][ C1] ret_from_fork+0x4b/0x80
[ 74.054436][ C1]
[ 74.148136][ C1] ref_tracker: net notrefcnt@ffffffff9a7a0da0 skipped reports about 28/48 users.
[ 74.159528][ C1] ------------[ cut here ]------------
[ 74.165792][ C1] WARNING: CPU: 1 PID: 24 at lib/ref_tracker.c:179 ref_tracker_dir_exit+0x411/0x550
[ 74.176034][ C1] Modules linked in:
[ 74.180102][ C1] CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-01150-gb44e27b4df1a-dirty #0
[ 74.190280][ T5876] ==================================================================
[ 74.191778][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 74.199977][ T5876] BUG: KASAN: slab-use-after-free in net_generic+0x137/0x240
[ 74.200001][ T5876] Read of size 8 at addr ffff88814e0cf818 by task syz-executor/5876
[ 74.200017][ T5876]
[ 74.200044][ T5876] CPU: 0 UID: 0 PID: 5876 Comm: syz-executor Not tainted 6.13.0-rc6-syzkaller-01150-gb44e27b4df1a-dirty #0
[ 74.210137][ C1] RIP: 0010:ref_tracker_dir_exit+0x411/0x550
[ 74.217607][ T5876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 74.217622][ T5876] Call Trace:
[ 74.226198][ C1] Code: 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 c8 cc d4 06 eb 1a e8 61 f4 a4 fc 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 b0 cc d4 06 90 <0f> 0b 90 48 83 c3 44 48 89 df be 04 00 00 00 e8 cb 5a 0b fd 48 89
[ 74.228474][ T5876]
[ 74.240288][ C1] RSP: 0018:ffffc900001e78e0 EFLAGS: 00010246
[ 74.246393][ T5876] dump_stack_lvl+0x241/0x360
[ 74.256674][ C1]
[ 74.259884][ T5876] ? __pfx_dump_stack_lvl+0x10/0x10
[ 74.259912][ T5876] ? __pfx__printk+0x10/0x10
[ 74.279989][ C1] RAX: f3f5990881aae000 RBX: ffffffff9a7a0da0 RCX: 0000000000000101
[ 74.283041][ T5876] ? _printk+0xd5/0x120
[ 74.289099][ C1] RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
[ 74.294189][ T5876] ? __virt_addr_valid+0x183/0x530
[ 74.294211][ T5876] ? __virt_addr_valid+0x183/0x530
[ 74.294231][ T5876] print_report+0x169/0x550
[ 74.296811][ C1] RBP: ffffc900001e79b8 R08: ffffffff901a5777 R09: 1ffffffff2034aee
[ 74.302164][ T5876] ? __virt_addr_valid+0x183/0x530
[ 74.302185][ T5876] ? __virt_addr_valid+0x183/0x530
[ 74.306940][ C1] R10: dffffc0000000000 R11: fffffbfff2034aef R12: 1ffff11003cd1450
[ 74.315245][ T5876] ? __virt_addr_valid+0x45f/0x530
[ 74.315270][ T5876] ? __phys_addr+0xba/0x170
[ 74.315287][ T5876] ? net_generic+0x137/0x240
[ 74.315304][ T5876] kasan_report+0x143/0x180
[ 74.320047][ C1] R13: dead000000000100 R14: ffffffff9a7a0df0 R15: dffffc0000000000
[ 74.328706][ T5876] ? net_generic+0x137/0x240
[ 74.334140][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 74.339178][ T5876] ? net_generic+0x1f/0x240
[ 74.343878][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 74.352057][ T5876] net_generic+0x137/0x240
[ 74.352082][ T5876] netlink_deliver_tap+0x1f/0x1b0
[ 74.357368][ C1] CR2: 00007fc47b976038 CR3: 000000000e736000 CR4: 00000000003526f0
[ 74.362631][ T5876] netlink_broadcast_filtered+0xe60/0x12a0
[ 74.362658][ T5876] netlink_broadcast+0x39/0x50
[ 74.362678][ T5876] kobject_uevent_net_broadcast+0x38f/0x580
[ 74.370750][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 74.376208][ T5876] kobject_uevent_env+0x57d/0x8e0
[ 74.381381][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 74.386009][ T5876] ? nfs_net_init+0x29/0x290
[ 74.391045][ C1] Call Trace:
[ 74.399695][ T5876] nfs_net_init+0x208/0x290
[ 74.404619][ C1]
[ 74.413957][ T5876] ops_init+0x31e/0x590
[ 74.413981][ T5876] ? lockdep_init_map_type+0xa1/0x910
[ 74.414002][ T5876] setup_net+0x287/0x9e0
[ 74.418841][ C1] ? __warn+0x165/0x4d0
[ 74.425949][ T5876] ? __pfx_down_read_killable+0x10/0x10
[ 74.425977][ T5876] ? __pfx_setup_net+0x10/0x10
[ 74.425999][ T5876] copy_net_ns+0x33f/0x570
[ 74.430849][ C1] ? ref_tracker_dir_exit+0x411/0x550
[ 74.436314][ T5876] create_new_namespaces+0x425/0x7b0
[ 74.444695][ C1] ? report_bug+0x2b3/0x500
[ 74.451325][ T5876] unshare_nsproxy_namespaces+0x124/0x180
[ 74.451348][ T5876] ksys_unshare+0x57d/0xa70
[ 74.456489][ C1] ? ref_tracker_dir_exit+0x411/0x550
[ 74.462813][ T5876] ? __pfx_ksys_unshare+0x10/0x10
[ 74.462835][ T5876] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 74.462853][ T5876] ? do_syscall_64+0x100/0x230
[ 74.471325][ C1] ? handle_bug+0x60/0x90
[ 74.476827][ T5876] __x64_sys_unshare+0x38/0x40
[ 74.485338][ C1] ? exc_invalid_op+0x1a/0x50
[ 74.490053][ T5876] do_syscall_64+0xf3/0x230
[ 74.490078][ T5876] ? clear_bhb_loop+0x35/0x90
[ 74.493513][ C1] ? asm_exc_invalid_op+0x1a/0x20
[ 74.498439][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.501693][ C1] ? ref_tracker_dir_exit+0x411/0x550
[ 74.505951][ T5876] RIP: 0033:0x7fc47b787527
[ 74.511713][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10
[ 74.516061][ T5876] Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 74.520311][ C1] ? kfree+0x196/0x430
[ 74.525939][ T5876] RSP: 002b:00007ffd289d55f8 EFLAGS: 00000246
[ 74.531188][ C1] ? netns_passive_drop+0x69/0xc0
[ 74.535531][ T5876] ORIG_RAX: 0000000000000110
[ 74.541294][ C1] netns_passive_drop+0x75/0xc0
[ 74.546515][ T5876] RAX: ffffffffffffffda RBX: 00007fc47b975f40 RCX: 00007fc47b787527
[ 74.551147][ C1] __sk_destruct+0x598/0x690
[ 74.557413][ T5876] RDX: 00007fc47b785d29 RSI: 00007ffd289d55c0 RDI: 0000000040000000
[ 74.562506][ C1] ? rcu_core+0xa37/0x17a0
[ 74.568003][ T5876] RBP: 00007fc47b976578 R08: 00007fc47b93a9d0 R09: 00007fc47b93a9d0
[ 74.573305][ C1] ? __pfx_deferred_put_nlk_sk+0x10/0x10
[ 74.579839][ T5876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006
[ 74.579860][ T5876] R13: 0000000000000006 R14: 0000000000000009 R15: 0000000000000000
[ 74.579877][ T5876]
[ 74.579885][ T5876]
[ 74.579889][ T5876] Allocated by task 1:
[ 74.579899][ T5876] kasan_save_track+0x3f/0x80
[ 74.584667][ C1] rcu_core+0xaaa/0x17a0
[ 74.589187][ T5876] __kasan_kmalloc+0x98/0xb0
[ 74.594095][ C1] ? __pfx_rcu_core+0x10/0x10
[ 74.598689][ T5876] __kmalloc_noprof+0x285/0x4c0
[ 74.603451][ C1] ? rcu_qs+0xf1/0x190
[ 74.608147][ T5876] ops_init+0x1f1/0x590
[ 74.613310][ C1] ? __pfx_rcu_qs+0x10/0x10
[ 74.619555][ T5876] register_pernet_operations+0x30d/0x630
[ 74.625046][ C1] ? sched_clock_cpu+0x76/0x490
[ 74.629420][ T5876] register_pernet_subsys+0x28/0x40
[ 74.635490][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 74.655784][ T5876] gtp_init+0x28/0xd0
[ 74.655818][ T5876] do_one_initcall+0x248/0x870
[ 74.655839][ T5876] do_initcall_level+0x157/0x210
[ 74.655855][ T5876] do_initcalls+0x3f/0x80
[ 74.659951][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 74.665966][ T5876] kernel_init_freeable+0x435/0x5d0
[ 74.671164][ C1] ? __schedule+0x1858/0x4c30
[ 74.675848][ T5876] kernel_init+0x1d/0x2b0
[ 74.681091][ C1] handle_softirqs+0x2d4/0x9b0
[ 74.688998][ T5876] ret_from_fork+0x4b/0x80
[ 74.694085][ C1] ? run_ksoftirqd+0xca/0x130
[ 74.702677][ T5876] ret_from_fork_asm+0x1a/0x30
[ 74.702702][ T5876]
[ 74.702707][ T5876] Freed by task 24:
[ 74.702717][ T5876] kasan_save_track+0x3f/0x80
[ 74.707138][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 74.715543][ T5876] kasan_save_free_info+0x40/0x50
[ 74.715577][ T5876] __kasan_slab_free+0x59/0x70
[ 74.715592][ T5876] kfree+0x196/0x430
[ 74.715610][ T5876] netns_passive_drop+0x69/0xc0
[ 74.721557][ C1] run_ksoftirqd+0xca/0x130
[ 74.729614][ T5876] __sk_destruct+0x598/0x690
[ 74.738290][ C1] ? __pfx_run_ksoftirqd+0x10/0x10
[ 74.741362][ T5876] rcu_core+0xaaa/0x17a0
[ 74.741386][ T5876] handle_softirqs+0x2d4/0x9b0
[ 74.743900][ C1] ? __pfx_ksoftirqd_should_run+0x10/0x10
[ 74.748127][ T5876] run_ksoftirqd+0xca/0x130
[ 74.753188][ C1] ? __pfx_run_ksoftirqd+0x10/0x10
[ 74.757792][ T5876] smpboot_thread_fn+0x544/0xa30
[ 74.762898][ C1] smpboot_thread_fn+0x544/0xa30
[ 74.768030][ T5876] kthread+0x2f0/0x390
[ 74.773387][ C1] ? smpboot_thread_fn+0x4e/0xa30
[ 74.777490][ T5876] ret_from_fork+0x4b/0x80
[ 74.781813][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 74.786585][ T5876] ret_from_fork_asm+0x1a/0x30
[ 74.792448][ C1] kthread+0x2f0/0x390
[ 74.797230][ T5876]
[ 74.797238][ T5876] The buggy address belongs to the object at ffff88814e0cf800
[ 74.797238][ T5876] which belongs to the cache kmalloc-1k of size 1024
[ 74.802551][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 74.808465][ T5876] The buggy address is located 24 bytes inside of
[ 74.808465][ T5876] freed 1024-byte region [ffff88814e0cf800, ffff88814e0cfc00)
[ 74.812694][ C1] ? __pfx_kthread+0x10/0x10
[ 74.817496][ T5876]
[ 74.817509][ T5876] The buggy address belongs to the physical page:
[ 74.817536][ T5876] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14e0c8
[ 74.822609][ C1] ret_from_fork+0x4b/0x80
[ 74.827193][ T5876] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 74.834436][ C1] ? __pfx_kthread+0x10/0x10
[ 74.839823][ T5876] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 74.839853][ T5876] page_type: f5(slab)
[ 74.839870][ T5876] raw: 057ff00000000040 ffff88801ac41dc0 ffffea000538b000 dead000000000002
[ 74.844720][ C1] ret_from_fork_asm+0x1a/0x30
[ 74.849107][ T5876] raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
[ 74.853930][ C1]
[ 74.858462][ T5876] head: 057ff00000000040 ffff88801ac41dc0 ffffea000538b000 dead000000000002
[ 74.863302][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 74.863321][ C1] CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-01150-gb44e27b4df1a-dirty #0
[ 74.863345][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 74.863357][ C1] Call Trace:
[ 74.863367][ C1]
[ 74.863377][ C1] dump_stack_lvl+0x241/0x360
[ 74.863412][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 74.863438][ C1] ? __pfx__printk+0x10/0x10
[ 74.863461][ C1] ? _printk+0xd5/0x120
[ 74.863486][ C1] ? __init_begin+0x41000/0x41000
[ 74.863517][ C1] ? vscnprintf+0x5d/0x90
[ 74.863540][ C1] panic+0x349/0x880
[ 74.863566][ C1] ? __warn+0x174/0x4d0
[ 74.863590][ C1] ? __pfx_panic+0x10/0x10
[ 74.863623][ C1] ? ret_from_fork_asm+0x1a/0x30
[ 74.863646][ C1] __warn+0x344/0x4d0
[ 74.863668][ C1] ? ref_tracker_dir_exit+0x411/0x550
[ 74.863693][ C1] report_bug+0x2b3/0x500
[ 74.863716][ C1] ? ref_tracker_dir_exit+0x411/0x550
[ 74.863741][ C1] handle_bug+0x60/0x90
[ 74.863767][ C1] exc_invalid_op+0x1a/0x50
[ 74.863794][ C1] asm_exc_invalid_op+0x1a/0x20
[ 74.863821][ C1] RIP: 0010:ref_tracker_dir_exit+0x411/0x550
[ 74.863843][ C1] Code: 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 c8 cc d4 06 eb 1a e8 61 f4 a4 fc 48 8b 1c 24 48 89 df 48 8b 74 24 20 e8 b0 cc d4 06 90 <0f> 0b 90 48 83 c3 44 48 89 df be 04 00 00 00 e8 cb 5a 0b fd 48 89
[ 74.863860][ C1] RSP: 0018:ffffc900001e78e0 EFLAGS: 00010246
[ 74.863879][ C1] RAX: f3f5990881aae000 RBX: ffffffff9a7a0da0 RCX: 0000000000000101
[ 74.863894][ C1] RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
[ 74.863909][ C1] RBP: ffffc900001e79b8 R08: ffffffff901a5777 R09: 1ffffffff2034aee
[ 74.863924][ C1] R10: dffffc0000000000 R11: fffffbfff2034aef R12: 1ffff11003cd1450
[ 74.863939][ C1] R13: dead000000000100 R14: ffffffff9a7a0df0 R15: dffffc0000000000
[ 74.863980][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10
[ 74.864004][ C1] ? kfree+0x196/0x430
[ 74.864027][ C1] ? netns_passive_drop+0x69/0xc0
[ 74.864052][ C1] netns_passive_drop+0x75/0xc0
[ 74.864071][ C1] __sk_destruct+0x598/0x690
[ 74.864096][ C1] ? rcu_core+0xa37/0x17a0
[ 74.864121][ C1] ? __pfx_deferred_put_nlk_sk+0x10/0x10
[ 74.864147][ C1] rcu_core+0xaaa/0x17a0
[ 74.864281][ C1] ? __pfx_rcu_core+0x10/0x10
[ 74.864309][ C1] ? rcu_qs+0xf1/0x190
[ 74.864333][ C1] ? __pfx_rcu_qs+0x10/0x10
[ 74.864356][ C1] ? sched_clock_cpu+0x76/0x490
[ 74.864390][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 74.864413][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 74.864431][ C1] ? __schedule+0x1858/0x4c30
[ 74.864461][ C1] handle_softirqs+0x2d4/0x9b0
[ 74.864497][ C1] ? run_ksoftirqd+0xca/0x130
[ 74.864520][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 74.864557][ C1] run_ksoftirqd+0xca/0x130
[ 74.864576][ C1] ? __pfx_run_ksoftirqd+0x10/0x10
[ 74.864596][ C1] ? __pfx_ksoftirqd_should_run+0x10/0x10
[ 74.864625][ C1] ? __pfx_run_ksoftirqd+0x10/0x10
[ 74.864643][ C1] smpboot_thread_fn+0x544/0xa30
[ 74.864664][ C1] ? smpboot_thread_fn+0x4e/0xa30
[ 74.864690][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 74.864711][ C1] kthread+0x2f0/0x390
[ 74.864733][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 74.864753][ C1] ? __pfx_kthread+0x10/0x10
[ 74.864777][ C1] ret_from_fork+0x4b/0x80
[ 74.864797][ C1] ? __pfx_kthread+0x10/0x10
[ 74.864820][ C1] ret_from_fork_asm+0x1a/0x30
[ 74.864851][ C1]
[ 75.489381][ C1] Kernel Offset: disabled
[ 75.494077][ C1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.7'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2418998222=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at b4fbdbd43
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
go fmt ./sys/... >/dev/null
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=b4fbdbd43bfd6a8d0392238f019dc602335346d0 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241222-073428'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"b4fbdbd43bfd6a8d0392238f019dc602335346d0\"
/usr/bin/ld: /tmp/ccEqRTYH.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking