INFO: task syz.0.2042:14473 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-syzkaller-00216-gf66d6acccbc0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2042 state:D stack:24304 pid:14473 tgid:14472 ppid:11797 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5740 kernel/sched/core.c:6693
__schedule_loop kernel/sched/core.c:6770 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6785
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
coredump_wait fs/coredump.c:418 [inline]
do_coredump+0x82f/0x4160 fs/coredump.c:575
get_signal+0x237c/0x26d0 kernel/signal.c:2903
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7effd1a403c0
RSP: 002b:00007effd2949a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 0000000000000000 RBX: 00007effd1d35f80 RCX: 00007effd1b7e719
RDX: 00007effd2949a80 RSI: 00007effd2949bb0 RDI: 000000000000000b
RBP: 00007effd1bf175e R08: 0000000000000000 R09: 0000000000000000
R10: 00000000070080fe R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007effd1d35f80 R15: 00007fff741b1d78
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8ddb7880 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8ddb7880 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8ddb7880 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
4 locks held by kworker/u8:5/318:
2 locks held by getty/5598:
#0: ffff88814db0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/14264:
#0: ffffffff8ddc3178 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
1 lock held by syz.0.2042/14488:
2 locks held by syz.8.2120/14860:
1 lock held by syz.8.2324/16051:
1 lock held by syz.8.2347/16166:
2 locks held by syz.8.2352/16198:
3 locks held by syz.3.2372/16272:
2 locks held by syz.9.2377/16306:
#0: ffffffff8faafc10 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fac58a8 (rtnl_mutex){+.+.}-{3:3}, at: setup_net+0x40b/0x860 net/core/net_namespace.c:378
2 locks held by syz.3.2378/16316:
#0: ffffffff8faafc10 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fac58a8 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x1b/0x230 drivers/net/wireguard/device.c:414
1 lock held by syz.8.2376/16303:
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:144 [inline]
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm kernel/exit.c:547 [inline]
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: do_exit+0x8b2/0x2d70 kernel/exit.c:926
2 locks held by syz.8.2376/16304:
2 locks held by syz.8.2376/16307:
1 lock held by syz.8.2376/16308:
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:144 [inline]
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm kernel/exit.c:547 [inline]
#0: ffff88806ce18198 (&mm->mmap_lock){++++}-{3:3}, at: do_exit+0x8b2/0x2d70 kernel/exit.c:926
1 lock held by dhcpcd-run-hook/16328:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller-00216-gf66d6acccbc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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: 14488 Comm: syz.0.2042 Not tainted 6.12.0-rc7-syzkaller-00216-gf66d6acccbc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:sha256_transform_rorx+0xe5b/0x1120 arch/x86/crypto/sha256-avx2-asm.S:654
Code: 41 21 c4 45 01 ef 44 01 cb 44 09 e6 45 01 f1 44 01 fb 45 01 f9 41 89 cf c4 63 7b f0 eb 19 c4 63 7b f0 f3 0b 45 31 c7 45 31 f5 63 7b f0 f3 06 41 21 df 41 01 f1 45 31 f5 c4 43 7b f0 e1 0d 45
RSP: 0018:ffffc9000c847200 EFLAGS: 00000286
RAX: 000000009ebc129f RBX: 000000004fe3f3fa RCX: 0000000043ba3108
RDX: 00000000cfd57080 RSI: 0000000016a57237 RDI: 00000000000000c0
RBP: ffffc9000c847420 R08: 00000000e60a0e48 R09: 000000000d5f705b
R10: 0000000052e1fc36 R11: 0000000014a56225 R12: 0000000012a01016
R13: 000000008eb00159 R14: 000000007f49fc7e R15: 00000000a5b03f40
FS: 00007effd29086c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f1ad5ea950 CR3: 000000003a270000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x1b1/0x1d0 security/integrity/ima/ima_main.c:462
security_mmap_file+0x8bd/0x990 security/security.c:2979
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: 0033:0x7effd1b7e719
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:00007effd2908038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007effd1d36130 RCX: 00007effd1b7e719
RDX: 00000000000007ff RSI: 0000080000000003 RDI: 0000000000000001
RBP: 00007effd1bf175e R08: 0000000000000403 R09: 0000000000000000
R10: 0000000000040ebf R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007effd1d36130 R15: 00007fff741b1d78