Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 84.506379][ T4175] loop0: detected capacity change from 0 to 128 [ 84.512523][ T4177] loop3: detected capacity change from 0 to 128 [ 84.515864][ T4178] loop4: detected capacity change from 0 to 128 [ 84.524309][ T4179] loop1: detected capacity change from 0 to 128 [ 84.530224][ T4180] loop2: detected capacity change from 0 to 128 [ 84.590322][ T4175] attempt to access beyond end of device [ 84.590322][ T4175] loop0: rw=0, want=6491538, limit=128 [ 84.590358][ T4177] attempt to access beyond end of device [ 84.590358][ T4177] loop3: rw=0, want=6491538, limit=128 [ 84.602314][ T4175] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 84.613503][ T4179] attempt to access beyond end of device [ 84.613503][ T4179] loop1: rw=0, want=6491538, limit=128 [ 84.621784][ T4175] attempt to access beyond end of device [ 84.621784][ T4175] loop0: rw=0, want=17666808, limit=128 [ 84.650282][ T4179] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 84.651598][ T4175] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 84.658774][ T4177] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 84.668025][ T4180] attempt to access beyond end of device [ 84.668025][ T4180] loop2: rw=0, want=6491538, limit=128 [ 84.686079][ T4179] attempt to access beyond end of device [ 84.686079][ T4179] loop1: rw=0, want=17666808, limit=128 [ 84.687628][ T4178] attempt to access beyond end of device [ 84.687628][ T4178] loop4: rw=0, want=6491538, limit=128 [ 84.707841][ T4177] attempt to access beyond end of device [ 84.707841][ T4177] loop3: rw=0, want=17666808, limit=128 [ 84.708626][ T4175] attempt to access beyond end of device [ 84.708626][ T4175] loop0: rw=0, want=26539620, limit=128 [ 84.720666][ T4179] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 84.731243][ T4180] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 84.748493][ T4178] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 84.758045][ T4178] attempt to access beyond end of device [ 84.758045][ T4178] loop4: rw=0, want=17666808, limit=128 [ 84.759702][ T4179] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 84.769393][ T4180] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 84.779896][ T4177] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 154.319069][ T4179] ODEBUG: Out of memory. ODEBUG disabled [ 248.429596][ T27] INFO: task syz-executor585:4182 blocked for more than 143 seconds. [ 248.438039][ T27] Not tainted 5.15.173-syzkaller #0 [ 248.479498][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.488208][ T27] task:syz-executor585 state:D stack:27320 pid: 4182 ppid: 4166 flags:0x00004006 [ 248.559507][ T27] Call Trace: [ 248.562823][ T27] [ 248.565764][ T27] __schedule+0x12c4/0x45b0 [ 248.589507][ T27] ? release_firmware_map_entry+0x190/0x190 [ 248.595434][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 248.629488][ T27] ? print_irqtrace_events+0x210/0x210 [ 248.634970][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 248.669558][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 248.674793][ T27] schedule+0x11b/0x1f0 [ 248.678952][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 248.749509][ T27] ? rwsem_write_trylock+0x210/0x210 [ 248.754838][ T27] ? read_lock_is_recursive+0x10/0x10 [ 248.789492][ T27] ? rwsem_write_trylock+0x166/0x210 [ 248.794818][ T27] ? clear_nonspinnable+0x60/0x60 [ 248.829488][ T27] filename_create+0x25c/0x530 [ 248.834291][ T27] ? kern_path_create+0x180/0x180 [ 248.839347][ T27] ? __virt_addr_valid+0x3bb/0x460 [ 248.879482][ T27] do_mkdirat+0xb3/0x520 [ 248.883766][ T27] ? vfs_mkdir+0x590/0x590 [ 248.888187][ T27] ? getname_flags+0x1ec/0x4e0 [ 248.949479][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 248.954724][ T27] __x64_sys_mkdir+0x6a/0x80 [ 248.959331][ T27] do_syscall_64+0x3b/0xb0 [ 248.999479][ T27] ? clear_bhb_loop+0x15/0x70 [ 249.004182][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.039485][ T27] RIP: 0033:0x7fce74ead0c7 [ 249.043927][ T27] RSP: 002b:00007fce74e47f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 249.089487][ T27] RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 00007fce74ead0c7 [ 249.097493][ T27] RDX: 0000000001a404ad RSI: 00000000000001ff RDI: 0000000020000100 [ 249.159473][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 249.167474][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100 [ 249.219485][ T27] R13: 00007fce74e48020 R14: 0000000000000000 R15: 0000000020000300 [ 249.227497][ T27] [ 249.269536][ T27] INFO: task syz-executor585:4181 blocked for more than 144 seconds. [ 249.277624][ T27] Not tainted 5.15.173-syzkaller #0 [ 249.319472][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 249.328159][ T27] task:syz-executor585 state:D stack:27000 pid: 4181 ppid: 4169 flags:0x00004006 [ 249.399475][ T27] Call Trace: [ 249.402782][ T27] [ 249.405717][ T27] __schedule+0x12c4/0x45b0 [ 249.429504][ T27] ? release_firmware_map_entry+0x190/0x190 [ 249.435423][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 249.459477][ T27] ? print_irqtrace_events+0x210/0x210 [ 249.464961][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 249.509489][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 249.514720][ T27] schedule+0x11b/0x1f0 [ 249.518877][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 249.569505][ T27] ? rwsem_write_trylock+0x210/0x210 [ 249.574824][ T27] ? read_lock_is_recursive+0x10/0x10 [ 249.599481][ T27] ? rwsem_write_trylock+0x166/0x210 [ 249.604795][ T27] ? clear_nonspinnable+0x60/0x60 [ 249.629568][ T27] filename_create+0x25c/0x530 [ 249.634361][ T27] ? kern_path_create+0x180/0x180 [ 249.639392][ T27] ? __virt_addr_valid+0x3bb/0x460 [ 249.669490][ T27] do_mkdirat+0xb3/0x520 [ 249.673767][ T27] ? vfs_mkdir+0x590/0x590 [ 249.678184][ T27] ? getname_flags+0x1ec/0x4e0 [ 249.729476][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 249.734717][ T27] __x64_sys_mkdir+0x6a/0x80 [ 249.739311][ T27] do_syscall_64+0x3b/0xb0 [ 249.779496][ T27] ? clear_bhb_loop+0x15/0x70 [ 249.784198][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.809498][ T27] RIP: 0033:0x7fce74ead0c7 [ 249.813938][ T27] RSP: 002b:00007fce74e47f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 249.859480][ T27] RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 00007fce74ead0c7 [ 249.867477][ T27] RDX: 0000000001a404ad RSI: 00000000000001ff RDI: 0000000020000100 [ 249.919476][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 249.927471][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100 [ 249.989567][ T27] R13: 00007fce74e48020 R14: 0000000000000000 R15: 0000000020000300 [ 249.997587][ T27] [ 250.029552][ T27] INFO: task syz-executor585:4185 blocked for more than 144 seconds. [ 250.037647][ T27] Not tainted 5.15.173-syzkaller #0 [ 250.079486][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.088181][ T27] task:syz-executor585 state:D stack:27320 pid: 4185 ppid: 4170 flags:0x00004006 [ 250.129478][ T27] Call Trace: [ 250.132779][ T27] [ 250.135709][ T27] __schedule+0x12c4/0x45b0 [ 250.169532][ T27] ? release_firmware_map_entry+0x190/0x190 [ 250.175457][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 250.219494][ T27] ? print_irqtrace_events+0x210/0x210 [ 250.224982][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 250.249480][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 250.254707][ T27] schedule+0x11b/0x1f0 [ 250.258865][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 250.289512][ T27] ? rwsem_write_trylock+0x210/0x210 [ 250.294830][ T27] ? read_lock_is_recursive+0x10/0x10 [ 250.349490][ T27] ? rwsem_write_trylock+0x166/0x210 [ 250.354813][ T27] ? clear_nonspinnable+0x60/0x60 [ 250.379503][ T27] filename_create+0x25c/0x530 [ 250.384298][ T27] ? kern_path_create+0x180/0x180 [ 250.389326][ T27] ? __virt_addr_valid+0x3bb/0x460 [ 250.419495][ T27] do_mkdirat+0xb3/0x520 [ 250.423787][ T27] ? vfs_mkdir+0x590/0x590 [ 250.428204][ T27] ? getname_flags+0x1ec/0x4e0 [ 250.469508][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 250.474750][ T27] __x64_sys_mkdir+0x6a/0x80 [ 250.479344][ T27] do_syscall_64+0x3b/0xb0 [ 250.539533][ T27] ? clear_bhb_loop+0x15/0x70 [ 250.544250][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 250.589479][ T27] RIP: 0033:0x7fce74ead0c7 [ 250.593930][ T27] RSP: 002b:00007fce74e47f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 250.639493][ T27] RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 00007fce74ead0c7 [ 250.647514][ T27] RDX: 0000000001a404ad RSI: 00000000000001ff RDI: 0000000020000100 [ 250.699493][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 250.707498][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100 [ 250.769478][ T27] R13: 00007fce74e48020 R14: 0000000000000000 R15: 0000000020000300 [ 250.777493][ T27] [ 250.819500][ T27] INFO: task syz-executor585:4183 blocked for more than 145 seconds. [ 250.827581][ T27] Not tainted 5.15.173-syzkaller #0 [ 250.869511][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.878197][ T27] task:syz-executor585 state:D stack:27320 pid: 4183 ppid: 4167 flags:0x00004006 [ 250.949511][ T27] Call Trace: [ 250.952821][ T27] [ 250.955754][ T27] __schedule+0x12c4/0x45b0 [ 250.989539][ T27] ? release_firmware_map_entry+0x190/0x190 [ 250.995467][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 251.039579][ T27] ? print_irqtrace_events+0x210/0x210 [ 251.045068][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 251.079497][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 251.084735][ T27] schedule+0x11b/0x1f0 [ 251.088897][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 251.139608][ T27] ? rwsem_write_trylock+0x210/0x210 [ 251.144933][ T27] ? read_lock_is_recursive+0x10/0x10 [ 251.189512][ T27] ? rwsem_write_trylock+0x166/0x210 [ 251.194834][ T27] ? clear_nonspinnable+0x60/0x60 [ 251.229531][ T27] filename_create+0x25c/0x530 [ 251.234329][ T27] ? kern_path_create+0x180/0x180 [ 251.239356][ T27] ? __virt_addr_valid+0x3bb/0x460 [ 251.279501][ T27] do_mkdirat+0xb3/0x520 [ 251.283777][ T27] ? vfs_mkdir+0x590/0x590 [ 251.288193][ T27] ? getname_flags+0x1ec/0x4e0 [ 251.329510][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 251.334749][ T27] __x64_sys_mkdir+0x6a/0x80 [ 251.339337][ T27] do_syscall_64+0x3b/0xb0 [ 251.369527][ T27] ? clear_bhb_loop+0x15/0x70 [ 251.374232][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 251.419489][ T27] RIP: 0033:0x7fce74ead0c7 [ 251.423932][ T27] RSP: 002b:00007fce74e47f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 251.459558][ T27] RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 00007fce74ead0c7 [ 251.467554][ T27] RDX: 0000000001a404ad RSI: 00000000000001ff RDI: 0000000020000100 [ 251.499487][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 251.507481][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100 [ 251.569508][ T27] R13: 00007fce74e48020 R14: 0000000000000000 R15: 0000000020000300 [ 251.577521][ T27] [ 251.609550][ T27] INFO: task syz-executor585:4184 blocked for more than 146 seconds. [ 251.617633][ T27] Not tainted 5.15.173-syzkaller #0 [ 251.649474][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 251.658152][ T27] task:syz-executor585 state:D stack:27320 pid: 4184 ppid: 4168 flags:0x00004006 [ 251.709475][ T27] Call Trace: [ 251.712784][ T27] [ 251.715733][ T27] __schedule+0x12c4/0x45b0 [ 251.749504][ T27] ? release_firmware_map_entry+0x190/0x190 [ 251.755433][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 251.779492][ T27] ? print_irqtrace_events+0x210/0x210 [ 251.784980][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 251.819512][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 251.824749][ T27] schedule+0x11b/0x1f0 [ 251.828914][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 251.869534][ T27] ? rwsem_write_trylock+0x210/0x210 [ 251.874860][ T27] ? read_lock_is_recursive+0x10/0x10 [ 251.909522][ T27] ? rwsem_write_trylock+0x166/0x210 [ 251.914847][ T27] ? clear_nonspinnable+0x60/0x60 [ 251.939553][ T27] filename_create+0x25c/0x530 [ 251.944352][ T27] ? kern_path_create+0x180/0x180 [ 251.949384][ T27] ? __virt_addr_valid+0x3bb/0x460 [ 251.979495][ T27] do_mkdirat+0xb3/0x520 [ 251.983764][ T27] ? vfs_mkdir+0x590/0x590 [ 251.988179][ T27] ? getname_flags+0x1ec/0x4e0 [ 252.029522][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 252.034757][ T27] __x64_sys_mkdir+0x6a/0x80 [ 252.039349][ T27] do_syscall_64+0x3b/0xb0 [ 252.109475][ T27] ? clear_bhb_loop+0x15/0x70 [ 252.114188][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.169473][ T27] RIP: 0033:0x7fce74ead0c7 [ 252.173915][ T27] RSP: 002b:00007fce74e47f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 252.219494][ T27] RAX: ffffffffffffffda RBX: 0000000020000180 RCX: 00007fce74ead0c7 [ 252.227582][ T27] RDX: 0000000001a404ad RSI: 00000000000001ff RDI: 0000000020000100 [ 252.279484][ T27] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 252.287583][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100 [ 252.339487][ T27] R13: 00007fce74e48020 R14: 0000000000000000 R15: 0000000020000300 [ 252.347504][ T27] [ 252.389483][ T27] [ 252.389483][ T27] Showing all locks held in the system: [ 252.397220][ T27] 1 lock held by khungtaskd/27: [ 252.439472][ T27] #0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 252.448837][ T27] 1 lock held by kswapd0/254: [ 252.489479][ T27] 1 lock held by kswapd1/255: [ 252.494215][ T27] 2 locks held by getty/3926: [ 252.498886][ T27] #0: ffff88802bf14098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 252.569489][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 252.609481][ T27] 2 locks held by syz-executor585/4175: [ 252.615057][ T27] 2 locks held by syz-executor585/4182: [ 252.659473][ T27] #0: ffff88802a99e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 252.668750][ T27] #1: ffff888072fa4188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 252.739474][ T27] 2 locks held by syz-executor585/4177: [ 252.745041][ T27] 2 locks held by syz-executor585/4181: [ 252.789513][ T27] #0: ffff8880295d6460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 252.798787][ T27] #1: ffff88806ecd4188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 252.869527][ T27] 3 locks held by syz-executor585/4178: [ 252.875105][ T27] 2 locks held by syz-executor585/4185: [ 252.909478][ T27] #0: ffff88802850c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 252.918758][ T27] #1: ffff888072fa4c18 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 252.969476][ T27] 3 locks held by syz-executor585/4179: [ 252.975046][ T27] 2 locks held by syz-executor585/4183: [ 252.991791][ T27] #0: ffff88802ac18460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 253.039650][ T27] #1: ffff88806ecd46d0 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 253.079475][ T27] 2 locks held by syz-executor585/4180: [ 253.085037][ T27] 2 locks held by syz-executor585/4184: [ 253.109474][ T27] #0: ffff88802b6e6460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 253.118740][ T27] #1: ffff888072fa46d0 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 253.179520][ T27] [ 253.181865][ T27] ============================================= [ 253.181865][ T27] [ 253.219488][ T27] NMI backtrace for cpu 0 [ 253.223840][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0 [ 253.231811][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 253.241855][ T27] Call Trace: [ 253.245128][ T27] [ 253.248050][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 253.252728][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 253.258358][ T27] ? panic+0x860/0x860 [ 253.262427][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 253.267538][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 253.272469][ T27] ? __wake_up_klogd+0xd5/0x100 [ 253.277324][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 253.283473][ T27] ? _printk+0xd1/0x120 [ 253.287627][ T27] ? panic+0x860/0x860 [ 253.291694][ T27] ? __wake_up_klogd+0xcc/0x100 [ 253.296540][ T27] ? panic+0x860/0x860 [ 253.300608][ T27] ? __rcu_read_unlock+0x92/0x100 [ 253.305631][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 253.311693][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 253.317673][ T27] watchdog+0xe72/0xeb0 [ 253.321833][ T27] kthread+0x3f6/0x4f0 [ 253.325896][ T27] ? hungtask_pm_notify+0x50/0x50 [ 253.330916][ T27] ? kthread_blkcg+0xd0/0xd0 [ 253.335502][ T27] ret_from_fork+0x1f/0x30 [ 253.339922][ T27] [ 253.343006][ T27] Sending NMI from CPU 0 to CPUs 1: [ 253.348223][ C1] NMI backtrace for cpu 1 [ 253.348232][ C1] CPU: 1 PID: 4175 Comm: syz-executor585 Not tainted 5.15.173-syzkaller #0 [ 253.348247][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 253.348254][ C1] RIP: 0010:unwind_next_frame+0x16e/0x1fa0 [ 253.348275][ C1] Code: 6d 00 48 8b 44 24 28 80 3c 10 00 48 8b 5c 24 08 74 12 48 89 df e8 92 b1 91 00 48 ba 00 00 00 00 00 fc ff df 4c 03 2b 49 ff cd <48> 89 6c 24 68 4c 89 64 24 60 0f 84 00 01 00 00 48 c7 c0 00 00 00 [ 253.348287][ C1] RSP: 0018:ffffc90002ef7368 EFLAGS: 00000286 [ 253.348300][ C1] RAX: 1ffff920005dee8d RBX: ffffc90002ef7468 RCX: ffffffff8a3e1300 [ 253.348311][ C1] RDX: dffffc0000000000 RSI: ffffffff81a97b72 RDI: ffffffff813899ab [ 253.348321][ C1] RBP: ffffc90002ef7455 R08: 0000000000000008 R09: ffffc90002ef7510 [ 253.348331][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005dee8a [ 253.348341][ C1] R13: ffffffff81a97b71 R14: ffffffff81a97b72 R15: ffffc90002ef7420 [ 253.348351][ C1] FS: 00007fce74e696c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 253.348364][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.348374][ C1] CR2: 000055c97a4b4600 CR3: 000000006f95c000 CR4: 00000000003506e0 [ 253.348386][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 253.348394][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 253.348403][ C1] Call Trace: [ 253.348407][ C1] [ 253.348412][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 253.348428][ C1] ? read_lock_is_recursive+0x10/0x10 [ 253.348444][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 253.348460][ C1] ? unknown_nmi_error+0xd0/0xd0 [ 253.348481][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 253.348496][ C1] ? nmi_handle+0xf7/0x370 [ 253.348511][ C1] ? unwind_next_frame+0x16e/0x1fa0 [ 253.348526][ C1] ? default_do_nmi+0x62/0x150 [ 253.348542][ C1] ? exc_nmi+0xa8/0x100 [ 253.348556][ C1] ? end_repeat_nmi+0x16/0x31 [ 253.348569][ C1] ? do_read_cache_page+0x752/0x1040 [ 253.348584][ C1] ? do_read_cache_page+0x751/0x1040 [ 253.348601][ C1] ? _raw_spin_lock_irqsave_nested+0xa0/0x130 [ 253.348618][ C1] ? do_read_cache_page+0x752/0x1040 [ 253.348632][ C1] ? unwind_next_frame+0xbb/0x1fa0 [ 253.348646][ C1] ? unwind_next_frame+0x16e/0x1fa0 [ 253.348661][ C1] ? unwind_next_frame+0x16e/0x1fa0 [ 253.348677][ C1] ? unwind_next_frame+0x16e/0x1fa0 [ 253.348692][ C1] [ 253.348696][ C1] [ 253.348703][ C1] ? do_read_cache_page+0x752/0x1040 [ 253.348720][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 253.348735][ C1] arch_stack_walk+0x10d/0x140 [ 253.348752][ C1] ? do_read_cache_page+0x752/0x1040 [ 253.348769][ C1] stack_trace_save+0x113/0x1c0 [ 253.348782][ C1] ? get_page_from_freelist+0x3b78/0x3d40 [ 253.348797][ C1] ? __alloc_pages+0x272/0x700 [ 253.348811][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 253.348828][ C1] ? mark_lock+0x98/0x340 [ 253.348842][ C1] __kasan_slab_alloc+0x8e/0xc0 [ 253.348855][ C1] ? __kasan_slab_alloc+0x8e/0xc0 [ 253.348867][ C1] ? slab_post_alloc_hook+0x53/0x380 [ 253.348881][ C1] ? kmem_cache_alloc+0xf3/0x280 [ 253.348894][ C1] ? alloc_buffer_head+0x20/0xf0 [ 253.348908][ C1] ? alloc_page_buffers+0x3a3/0x660 [ 253.348922][ C1] ? create_empty_buffers+0x3a/0x6d0 [ 253.348936][ C1] ? create_page_buffers+0x1d4/0x330 [ 253.348951][ C1] ? block_read_full_page+0xe6/0xde0 [ 253.348965][ C1] ? do_read_cache_page+0x752/0x1040 [ 253.348999][ C1] slab_post_alloc_hook+0x53/0x380 [ 253.349014][ C1] ? should_failslab+0x5/0x20 [ 253.349028][ C1] ? slab_pre_alloc_hook+0x53/0xc0 [ 253.349043][ C1] ? alloc_buffer_head+0x20/0xf0 [ 253.349063][ C1] kmem_cache_alloc+0xf3/0x280 [ 253.349079][ C1] alloc_buffer_head+0x20/0xf0 [ 253.349094][ C1] alloc_page_buffers+0x3a3/0x660 [ 253.349111][ C1] create_empty_buffers+0x3a/0x6d0 [ 253.349127][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 253.349141][ C1] create_page_buffers+0x1d4/0x330 [ 253.349159][ C1] block_read_full_page+0xe6/0xde0 [ 253.349176][ C1] ? lru_cache_add+0x5d2/0x7e0 [ 253.349192][ C1] ? sysv_truncate+0x1050/0x1050 [ 253.349207][ C1] ? block_is_partially_uptodate+0x2c0/0x2c0 [ 253.349227][ C1] ? do_read_cache_page+0xa74/0x1040 [ 253.349243][ C1] ? sysv_writepage+0x30/0x30 [ 253.349259][ C1] do_read_cache_page+0x752/0x1040 [ 253.349277][ C1] sysv_find_entry+0x1b0/0x650 [ 253.349298][ C1] sysv_inode_by_name+0x9e/0x3f0 [ 253.349314][ C1] ? sysv_dotdot+0xc0/0xc0 [ 253.349333][ C1] sysv_lookup+0x63/0xe0 [ 253.349348][ C1] lookup_one_qstr_excl+0x117/0x240 [ 253.349366][ C1] filename_create+0x293/0x530 [ 253.349381][ C1] ? kern_path_create+0x180/0x180 [ 253.349396][ C1] ? __virt_addr_valid+0x3bb/0x460 [ 253.349411][ C1] do_mkdirat+0xb3/0x520 [ 253.349425][ C1] ? vfs_mkdir+0x590/0x590 [ 253.349441][ C1] ? getname_flags+0x1ec/0x4e0 [ 253.349458][ C1] __x64_sys_mkdirat+0x85/0x90 [ 253.349471][ C1] do_syscall_64+0x3b/0xb0 [ 253.349484][ C1] ? clear_bhb_loop+0x15/0x70 [ 253.349497][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 253.349513][ C1] RIP: 0033:0x7fce74eae209 [ 253.349531][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 253.349542][ C1] RSP: 002b:00007fce74e69168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 253.349555][ C1] RAX: ffffffffffffffda RBX: 00007fce74f3f6a8 RCX: 00007fce74eae209 [ 253.349565][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 00000000ffffff9c [ 253.349574][ C1] RBP: 00007fce74f3f6a0 R08: 00007fce74f3f6a0 R09: 0000000000000000 [ 253.349583][ C1] R10: 00007fce74e69170 R11: 0000000000000246 R12: 00007fce74f3f6ac [ 253.349593][ C1] R13: 0000000000000006 R14: 00007ffdf8834380 R15: 00007ffdf8834468 [ 253.349609][ C1] [ 253.699485][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 253.921991][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0 [ 253.929963][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 253.940014][ T27] Call Trace: [ 253.943289][ T27] [ 253.946211][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 253.950898][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 253.956533][ T27] ? panic+0x860/0x860 [ 253.960609][ T27] panic+0x318/0x860 [ 253.964502][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 253.970132][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 253.976287][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 253.981491][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 253.987558][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 253.993713][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 253.999863][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 254.006020][ T27] watchdog+0xeb0/0xeb0 [ 254.010180][ T27] kthread+0x3f6/0x4f0 [ 254.014249][ T27] ? hungtask_pm_notify+0x50/0x50 [ 254.019270][ T27] ? kthread_blkcg+0xd0/0xd0 [ 254.023853][ T27] ret_from_fork+0x1f/0x30 [ 254.028276][ T27] [ 254.031533][ T27] Kernel Offset: disabled [ 254.035851][ T27] Rebooting in 86400 seconds..