Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty5. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ 19.417913][ T22] audit: type=1400 audit(1615765455.986:8): avc: denied { execmem } for pid=335 comm="syz-executor037" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 19.446624][ T337] incfs: Can't find or create .index dir in ./file0 [ 19.455457][ T337] BUG: Dentry ffff8881efb59880{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 19.465350][ T337] ------------[ cut here ]------------ [ 19.470802][ T337] WARNING: CPU: 1 PID: 337 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 19.479240][ T337] Modules linked in: [ 19.483121][ T337] CPU: 1 PID: 337 Comm: syz-executor037 Not tainted 5.4.105-syzkaller-00511-g6ede59f3f8d0 #0 [ 19.493240][ T337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.503277][ T337] RIP: 0010:umount_check+0x179/0x1c0 [ 19.508540][ T337] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 ec e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 b7 e9 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 19.528111][ T337] RSP: 0018:ffff8881e97ffa58 EFLAGS: 00010282 [ 19.534146][ T337] RAX: 0000000000000055 RBX: ffffffff85fc50e0 RCX: e283ec3673df5500 [ 19.542085][ T337] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 19.550038][ T337] RBP: ffff8881f5290420 R08: ffffffff814e8047 R09: ffffed103ede5e08 [ 19.557983][ T337] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 19.565930][ T337] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb59880 [ 19.573908][ T337] FS: 00000000013fb3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 19.582806][ T337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.589357][ T337] CR2: 00000000004b51d0 CR3: 0000000005e0e000 CR4: 00000000001406e0 [ 19.597309][ T337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.605251][ T337] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.613190][ T337] Call Trace: [ 19.616464][ T337] d_walk+0x2d9/0x540 [ 19.620417][ T337] ? __d_free+0x20/0x20 [ 19.624542][ T337] shrink_dcache_for_umount+0x8a/0x1a0 [ 19.629968][ T337] generic_shutdown_super+0x63/0x2a0 [ 19.635219][ T337] kill_block_super+0x79/0xd0 [ 19.639878][ T337] deactivate_locked_super+0xaf/0x100 [ 19.645217][ T337] deactivate_super+0x1b3/0x270 [ 19.650121][ T337] ? deactivate_locked_super+0x100/0x100 [ 19.655719][ T337] ? dput+0x4de/0x5d0 [ 19.659729][ T337] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.664815][ T337] ? find_next_bit+0xc6/0x110 [ 19.669471][ T337] cleanup_mnt+0x432/0x4e0 [ 19.673863][ T337] task_work_run+0x186/0x1b0 [ 19.678424][ T337] do_exit+0xcb9/0x2bf0 [ 19.682553][ T337] ? mm_update_next_owner+0x5c0/0x5c0 [ 19.688029][ T337] ? __up_read+0x6f/0x1b0 [ 19.692352][ T337] ? __down_read+0x210/0x210 [ 19.696916][ T337] ? check_preemption_disabled+0x154/0x330 [ 19.702693][ T337] ? debug_smp_processor_id+0x20/0x20 [ 19.708069][ T337] do_group_exit+0x15c/0x2c0 [ 19.712628][ T337] ? do_user_addr_fault+0x6b0/0xb40 [ 19.717810][ T337] __do_sys_exit_group+0x13/0x20 [ 19.722734][ T337] __se_sys_exit_group+0x10/0x10 [ 19.727648][ T337] __x64_sys_exit_group+0x37/0x40 [ 19.732726][ T337] do_syscall_64+0xcb/0x1e0 [ 19.740692][ T337] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.746573][ T337] RIP: 0033:0x4434e9 [ 19.750455][ T337] Code: Bad RIP value. [ 19.754499][ T337] RSP: 002b:00007ffcc192c4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.762875][ T337] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 00000000004434e9 [ 19.770815][ T337] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 19.778756][ T337] RBP: 0000000000000001 R08: ffffffffffffffc4 R09: 0000000000000000 [ 19.786695][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 19.794634][ T337] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 19.802597][ T337] ---[ end trace eedbcbcc133f3212 ]--- [ 19.808202][ T337] BUG: Dentry ffff8881efb59880{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 19.818130][ T337] ------------[ cut here ]------------ [ 19.823643][ T337] WARNING: CPU: 1 PID: 337 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 19.831931][ T337] Modules linked in: [ 19.835798][ T337] CPU: 1 PID: 337 Comm: syz-executor037 Tainted: G W 5.4.105-syzkaller-00511-g6ede59f3f8d0 #0 [ 19.847297][ T337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.857384][ T337] RIP: 0010:umount_check+0x179/0x1c0 [ 19.862651][ T337] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 ec e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 b7 e9 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 19.882224][ T337] RSP: 0018:ffff8881e97ffa58 EFLAGS: 00010282 [ 19.888254][ T337] RAX: 0000000000000055 RBX: ffffffff85fc50e0 RCX: e283ec3673df5500 [ 19.896194][ T337] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 19.904133][ T337] RBP: ffff8881f5290420 R08: ffffffff814e8047 R09: ffffed103ede5e08 [ 19.912071][ T337] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 19.920026][ T337] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb59880 [ 19.927975][ T337] FS: 00000000013fb3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 19.936869][ T337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.943431][ T337] CR2: 00000000004434bf CR3: 0000000005e0e000 CR4: 00000000001406e0 [ 19.951370][ T337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.959308][ T337] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.967248][ T337] Call Trace: [ 19.970506][ T337] d_walk+0x2d9/0x540 [ 19.974453][ T337] ? __d_free+0x20/0x20 [ 19.978575][ T337] shrink_dcache_for_umount+0x8a/0x1a0 [ 19.983997][ T337] generic_shutdown_super+0x63/0x2a0 [ 19.989249][ T337] kill_block_super+0x79/0xd0 [ 19.993908][ T337] deactivate_locked_super+0xaf/0x100 [ 19.999246][ T337] deactivate_super+0x1b3/0x270 [ 20.004063][ T337] ? deactivate_locked_super+0x100/0x100 [ 20.009676][ T337] ? dput+0x4de/0x5d0 [ 20.013635][ T337] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.018813][ T337] ? find_next_bit+0xc6/0x110 [ 20.023462][ T337] cleanup_mnt+0x432/0x4e0 [ 20.027845][ T337] task_work_run+0x186/0x1b0 [ 20.032402][ T337] do_exit+0xcb9/0x2bf0 [ 20.036528][ T337] ? mm_update_next_owner+0x5c0/0x5c0 [ 20.041874][ T337] ? __up_read+0x6f/0x1b0 [ 20.046353][ T337] ? __down_read+0x210/0x210 [ 20.050907][ T337] ? check_preemption_disabled+0x154/0x330 [ 20.056681][ T337] ? debug_smp_processor_id+0x20/0x20 [ 20.062021][ T337] do_group_exit+0x15c/0x2c0 [ 20.066579][ T337] ? do_user_addr_fault+0x6b0/0xb40 [ 20.071743][ T337] __do_sys_exit_group+0x13/0x20 [ 20.076645][ T337] __se_sys_exit_group+0x10/0x10 [ 20.081548][ T337] __x64_sys_exit_group+0x37/0x40 [ 20.086548][ T337] do_syscall_64+0xcb/0x1e0 [ 20.091021][ T337] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.096878][ T337] RIP: 0033:0x4434e9 [ 20.100748][ T337] Code: Bad RIP value. [ 20.104778][ T337] RSP: 002b:00007ffcc192c4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.113153][ T337] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 00000000004434e9 [ 20.121091][ T337] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 20.129028][ T337] RBP: 0000000000000001 R08: ffffffffffffffc4 R09: 0000000000000000 [ 20.136979][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 20.144918][ T337] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 20.152859][ T337] ---[ end trace eedbcbcc133f3213 ]--- [ [ 20.159887][ T337] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... *[0;1;31