INFO: task syz.2.3867:25021 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.3867 state:D stack:26400 pid:25021 tgid:25020 ppid:24268 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735
nfsd_nl_listener_get_doit+0x139/0x710 fs/nfsd/nfsctl.c:2121
genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2541
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
____sys_sendmsg+0x9ae/0xb40 net/socket.c:2583
___sys_sendmsg+0x135/0x1e0 net/socket.c:2637
__sys_sendmsg+0x16e/0x220 net/socket.c:2669
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f16cbb7e819
RSP: 002b:00007f16cc8f2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f16cbd35fa0 RCX: 00007f16cbb7e819
RDX: 0000000000008000 RSI: 0000000020000bc0 RDI: 0000000000000002
RBP: 00007f16cbbf175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f16cbd35fa0 R15: 00007ffe1a8048c8
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
#0: ffffffff8ddc6b78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
1 lock held by khungtaskd/30:
#0: ffffffff8ddbb240 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8ddbb240 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8ddbb240 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
2 locks held by getty/5609:
#0: ffff8880353220a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fc62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:4/5914:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x126b/0x1b30 kernel/workqueue.c:3204
#1: ffffc90003f87d80 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3205
#2: ffff888079066240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x1ce/0x3190 drivers/net/netdevsim/fib.c:1490
1 lock held by syz.4.491/8139:
2 locks held by kworker/u8:37/13526:
2 locks held by syz-executor/23536:
#0: ffff88802b85e0e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88802b85e0e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88802b85e0e0 (&type->s_umount_key#49){++++}-{4:4}, at: deactivate_super+0xd6/0x100 fs/super.c:505
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:625
2 locks held by syz.1.3726/23983:
#0: ffffffff8fb5c790 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0xe3/0x1b40 fs/nfsd/nfsctl.c:1964
2 locks held by syz.2.3867/25021:
#0: ffffffff8fb5c790 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_get_doit+0x139/0x710 fs/nfsd/nfsctl.c:2121
2 locks held by syz.4.3943/25497:
#0: ffff88807b9600e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807b9600e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807b9600e0 (&type->s_umount_key#49){++++}-{4:4}, at: deactivate_super+0xd6/0x100 fs/super.c:505
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:625
2 locks held by syz-executor/25575:
#0: ffff88806cf5c0e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88806cf5c0e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88806cf5c0e0 (&type->s_umount_key#49){++++}-{4:4}, at: deactivate_super+0xd6/0x100 fs/super.c:505
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:625
2 locks held by syz.7.4099/26680:
#0: ffff88807a6040e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807a6040e0 (&type->s_umount_key#49){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807a6040e0 (&type->s_umount_key#49){++++}-{4:4}, at: deactivate_super+0xd6/0x100 fs/super.c:505
#1: ffffffff8e1ba528 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:625
2 locks held by syz.8.4108/26786:
1 lock held by syz.8.4113/26856:
1 lock held by syz-executor/26977:
#0: ffffffff8ddc6b78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
1 lock held by syz.3.4144/27144:
2 locks held by syz.3.4144/27148:
1 lock held by syz.9.4147/27154:
#0: ffffffff8faa7950 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:496
1 lock held by syz.3.4148/27178:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 8139 Comm: syz.4.491 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:sha256_transform_rorx+0x53b/0x1120 arch/x86/crypto/sha256-avx2-asm.S:605
Code: 44 01 f8 01 f0 48 8d 35 f3 c7 37 0c c5 4d fe 0c 3e c5 7d 7f 4c 3c 40 89 c6 c4 63 7b f0 ea 19 c4 63 7b f0 f2 0b 44 03 5c 3c 40 <09> ce c4 e3 55 0f c4 04 45 89 cf c4 63 7b f0 e0 0d 45 31 f5 45 31
RSP: 0018:ffffc90004427200 EFLAGS: 00000203
RAX: 00000000f0014656 RBX: 00000000a2db207a RCX: 00000000c974c0d2
RDX: 000000004b5b9a7d RSI: 00000000f0014656 RDI: 0000000000000080
RBP: ffffc90004427420 R08: 0000000079b284bc R09: 000000009bca39f3
R10: 0000000012f1a4aa R11: 000000000eeac867 R12: 0000000020920038
R13: 00000000adcd3ea5 R14: 000000004fa96b73 R15: 000000008be50f13
FS: 00007f12f14356c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005618c0f1e950 CR3: 0000000033f2c000 CR4: 00000000003526f0
Call Trace:
lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline]
sha256_base_do_update include/crypto/sha256_base.h:81 [inline]
_sha256_update arch/x86/crypto/sha256_ssse3_glue.c:74 [inline]
_sha256_update+0x17e/0x220 arch/x86/crypto/sha256_ssse3_glue.c:58
ima_calc_file_hash_tfm+0x302/0x3e0 security/integrity/ima/ima_crypto.c:491
ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline]
ima_calc_file_hash+0x1ba/0x490 security/integrity/ima/ima_crypto.c:568
ima_collect_measurement+0x8a7/0xa10 security/integrity/ima/ima_api.c:293
process_measurement+0x1271/0x2370 security/integrity/ima/ima_main.c:372
ima_file_mmap+0x1b3/0x1e0 security/integrity/ima/ima_main.c:462
security_mmap_file+0x8bd/0x990 security/security.c:2977
vm_mmap_pgoff+0xdb/0x360 mm/util.c:584
ksys_mmap_pgoff+0x1c8/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12f057e819
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f12f1435038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f12f0736080 RCX: 00007f12f057e819
RDX: 00004000000000df RSI: 0040000000000004 RDI: 0000000000000000
RBP: 00007f12f05f175e R08: 0000000000000400 R09: 0000300000000000
R10: 0000000000040eb2 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f12f0736080 R15: 00007ffe550294f8