Warning: Permanently added '10.128.1.140' (ED25519) to the list of known hosts. executing program [ 816.672381][ T6138] syz-executor214[6138]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 816.677719][ T6138] loop0: detected capacity change from 0 to 256 [ 816.681671][ T6138] exfat: Deprecated parameter 'utf8' [ 816.688614][ T6138] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d) executing program [ 816.714804][ T6143] loop0: detected capacity change from 0 to 256 [ 816.717944][ T6143] exfat: Deprecated parameter 'utf8' [ 816.724929][ T6143] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d) executing program [ 816.743560][ T6147] loop0: detected capacity change from 0 to 256 [ 816.746211][ T6147] exfat: Deprecated parameter 'utf8' [ 816.755188][ T6147] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d) executing program [ 816.778711][ T6150] loop0: detected capacity change from 0 to 256 [ 816.782057][ T6150] exfat: Deprecated parameter 'utf8' [ 816.788005][ T6150] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d) executing program [ 816.816131][ T6153] loop0: detected capacity change from 0 to 256 [ 816.818531][ T6153] exfat: Deprecated parameter 'utf8' [ 816.823608][ T6153] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d) executing program [ 816.840431][ T6156] loop0: detected capacity change from 0 to 256 [ 816.842956][ T6156] exfat: Deprecated parameter 'utf8' [ 1001.499534][ T29] INFO: task syz-executor214:6157 blocked for more than 143 seconds. [ 1001.501939][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 1001.503840][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1001.506068][ T29] task:syz-executor214 state:D stack:0 pid:6157 ppid:6136 flags:0x00000005 [ 1001.508519][ T29] Call trace: [ 1001.509445][ T29] __switch_to+0x314/0x560 [ 1001.511236][ T29] __schedule+0x1364/0x23b4 [ 1001.512502][ T29] schedule+0xc4/0x170 [ 1001.513575][ T29] schedule_preempt_disabled+0x18/0x2c [ 1001.515024][ T29] rwsem_down_read_slowpath+0x57c/0xe58 [ 1001.516469][ T29] down_read+0xa0/0x2fc [ 1001.517560][ T29] super_lock+0x160/0x328 [ 1001.518663][ T29] user_get_super+0xe8/0x1a0 [ 1001.520224][ T29] __arm64_sys_quotactl+0x508/0xca0 [ 1001.521899][ T29] invoke_syscall+0x98/0x2b8 [ 1001.523091][ T29] el0_svc_common+0x130/0x23c [ 1001.524355][ T29] do_el0_svc+0x48/0x58 [ 1001.525443][ T29] el0_svc+0x54/0x158 [ 1001.526492][ T29] el0t_64_sync_handler+0x84/0xfc [ 1001.527884][ T29] el0t_64_sync+0x190/0x194 [ 1001.529155][ T29] [ 1001.529155][ T29] Showing all locks held in the system: [ 1001.531273][ T29] 1 lock held by khungtaskd/29: [ 1001.532401][ T29] #0: ffff80008e513840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 1001.534580][ T29] 2 locks held by getty/5843: [ 1001.535771][ T29] #0: ffff0000d76ba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 1001.538249][ T29] #1: ffff800094c002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 1001.541988][ T29] 1 lock held by syz-executor214/6156: [ 1001.543480][ T29] 1 lock held by syz-executor214/6157: [ 1001.544925][ T29] #0: ffff0000d83500e0 (&type->s_umount_key#44){++++}-{3:3}, at: super_lock+0x160/0x328 [ 1001.547688][ T29] [ 1001.548382][ T29] ============================================= [ 1001.548382][ T29] [ 1001.551219][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 1001.552973][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 1001.555429][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1001.558070][ T29] Call trace: [ 1001.558948][ T29] dump_backtrace+0x1b8/0x1e4 [ 1001.560270][ T29] show_stack+0x2c/0x44 [ 1001.561388][ T29] dump_stack_lvl+0xd0/0x124 [ 1001.562641][ T29] dump_stack+0x1c/0x28 [ 1001.563713][ T29] panic+0x2d0/0x7bc [ 1001.564747][ T29] hung_task_panic+0x0/0x2c [ 1001.565998][ T29] kthread+0x288/0x310 [ 1001.567103][ T29] ret_from_fork+0x10/0x20 [ 1001.568325][ T29] SMP: stopping secondary CPUs [ 1001.569702][ T29] Kernel Offset: disabled [ 1001.570849][ T29] CPU features: 0x0,00000020,70020046,21017203 [ 1001.572439][ T29] Memory Limit: none [ 1001.933289][ T29] Rebooting in 86400 seconds..