syzkaller syzkaller login: [ 54.852630][ T30] kauditd_printk_skb: 30 callbacks suppressed [ 54.852645][ T30] audit: type=1400 audit(1767696284.508:57): avc: denied { transition } for pid=5658 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 54.882109][ T30] audit: type=1400 audit(1767696284.508:58): avc: denied { noatsecure } for pid=5658 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 54.902016][ T30] audit: type=1400 audit(1767696284.518:59): avc: denied { write } for pid=5658 comm="sh" path="pipe:[4550]" dev="pipefs" ino=4550 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 54.924676][ T30] audit: type=1400 audit(1767696284.518:60): avc: denied { rlimitinh } for pid=5658 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 54.944704][ T30] audit: type=1400 audit(1767696284.518:61): avc: denied { siginh } for pid=5658 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 86.493823][ T976] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts. [ 219.086082][ T30] audit: type=1400 audit(1767696448.738:62): avc: denied { execmem } for pid=5835 comm="syz-executor265" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 219.120105][ T30] audit: type=1400 audit(1767696448.738:63): avc: denied { mounton } for pid=5836 comm="syz-executor265" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 executing program [ 219.168743][ T30] audit: type=1400 audit(1767696448.818:64): avc: denied { mounton } for pid=5836 comm="syz-executor265" path="/root/syz-tmp" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 219.191921][ T30] audit: type=1400 audit(1767696448.818:65): avc: denied { mount } for pid=5836 comm="syz-executor265" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 219.214409][ T30] audit: type=1400 audit(1767696448.818:66): avc: denied { mounton } for pid=5836 comm="syz-executor265" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 219.238407][ T30] audit: type=1400 audit(1767696448.828:67): avc: denied { mount } for pid=5836 comm="syz-executor265" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 219.260873][ T30] audit: type=1400 audit(1767696448.828:68): avc: denied { mounton } for pid=5836 comm="syz-executor265" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 executing program [ 221.865583][ T30] audit: type=1400 audit(1767696448.828:69): avc: denied { mounton } for pid=5836 comm="syz-executor265" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=5235 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 221.892697][ T30] audit: type=1400 audit(1767696448.828:70): avc: denied { unmount } for pid=5836 comm="syz-executor265" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 221.913030][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 320.912949][ T0] NOHZ tick-stop error: local softirq work is pending, handler #02!!! [ 429.532098][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 207s! [ 429.541219][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 205s! [ 429.550308][ C0] Showing busy workqueues and worker pools: [ 429.556245][ C0] workqueue events: flags=0x100 [ 429.561108][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 [ 429.561162][ C0] pending: vmstat_shepherd, 2*ovs_dp_masks_rebalance, ima_keys_handler [ 429.561286][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.561334][ C0] pending: psi_avgs_work [ 429.561375][ C0] workqueue events_long: flags=0x100 [ 429.594421][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.594478][ C0] pending: defense_work_handler [ 429.594522][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.594571][ C0] pending: defense_work_handler [ 429.594609][ C0] workqueue events_unbound: flags=0x2 [ 429.624878][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 429.624927][ C0] pending: toggle_allocation_gate [ 429.624967][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 429.625010][ C0] pending: flush_memcg_stats_dwork [ 429.625055][ C0] workqueue events_unbound: flags=0x2 [ 429.654899][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 429.654949][ C0] pending: idle_cull_fn [ 429.654987][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 [ 429.655030][ C0] pending: crng_reseed, 2*idle_cull_fn [ 429.655101][ C0] workqueue events_power_efficient: flags=0x180 [ 429.685286][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.685342][ C0] pending: check_lifetime [ 429.685383][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=7 refcnt=8 [ 429.685431][ C0] pending: do_cache_clean, 2*neigh_managed_work, 2*neigh_periodic_work, gc_worker, check_lifetime [ 429.685592][ C0] workqueue kvfree_rcu_reclaim: flags=0xa [ 429.721558][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 429.721611][ C0] pending: kfree_rcu_monitor [ 429.721661][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.738657][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.738711][ C0] pending: vmstat_update [ 429.738753][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 429.738801][ C0] pending: vmstat_update [ 429.738844][ C0] workqueue writeback: flags=0x4a [ 429.767555][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 429.767605][ C0] pending: wb_workfn [ 429.767648][ C0] workqueue kblockd: flags=0x18 [ 429.783564][ C0] pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=1 refcnt=2 [ 429.783619][ C0] pending: blk_mq_timeout_work [ 429.783723][ C0] workqueue ipv6_addrconf: flags=0x6000a [ 429.801879][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=5 [ 429.801928][ C0] pending: addrconf_verify_work [ 429.801971][ C0] inactive: addrconf_verify_work [ 429.802017][ C0] workqueue krxrpcd: flags=0x2001a [ 429.824424][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 429.824479][ C0] pending: rxrpc_peer_keepalive_worker [ 429.824514][ C0] inactive: rxrpc_peer_keepalive_worker [ 429.824574][ C0] Showing backtraces of running workers in stalled CPU-bound worker pools: [ 429.852496][ T0] NOHZ tick-stop error: local softirq work is pending, handler #82!!!