2][T14887] ? __kasan_check_write+0x18/0x20 [ 383.588687][T14887] ? mutex_lock+0x97/0x1d0 [ 383.588752][T14887] ? __cfi_mutex_lock+0x10/0x10 [ 383.588815][T14887] ? __fget_files+0x2c5/0x340 [ 383.588909][T14887] ksys_write+0x145/0x260 [ 383.588975][T14887] ? __cfi_ksys_write+0x10/0x10 [ 383.589041][T14887] ? __kasan_check_read+0x15/0x20 [ 383.589116][T14887] __x64_sys_write+0x7f/0x90 [ 383.589212][T14887] x64_sys_call+0x271c/0x2ee0 [ 383.589295][T14887] do_syscall_64+0x57/0xf0 [ 383.589348][T14887] ? clear_bhb_loop+0x50/0xa0 ** 35 printk messages dropped ** [ 383.641515][T14876] ? __cfi_vfs_write+0x10/0x10 ** 61 printk messages dropped ** [ 383.691597][T14889] RSP: 002b:00007f88205edfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 26 printk messages dropped ** [ 383.713839][T14894] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.713900][T14894] ? vfs_writev+0xacb/0xe50 [ 383.714000][T14894] ? bpf_lsm_file_permission+0xd/0x20 [ 383.714076][T14894] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.714132][T14894] vfs_write+0x3c5/0xf90 [ 383.714199][T14894] ? __cfi_vfs_write+0x10/0x10 [ 383.714264][T14894] ? __kasan_check_write+0x18/0x20 [ 383.714337][T14894] ? mutex_lock+0x97/0x1d0 [ 383.714403][T14894] ? __cfi_mutex_lock+0x10/0x10 [ 383.714468][T14894] ? __fget_files+0x2c5/0x340 [ 383.714553][T14894] ksys_write+0x145/0x260 [ 383.714627][T14894] ? __cfi_ksys_write+0x10/0x10 [ 383.714701][T14894] ? __kasan_check_read+0x15/0x20 [ 383.714767][T14894] __x64_sys_write+0x7f/0x90 [ 383.714832][T14894] x64_sys_call+0x271c/0x2ee0 [ 383.714908][T14894] do_syscall_64+0x57/0xf0 [ 383.714955][T14894] ? clear_bhb_loop+0x50/0xa0 [ 383.715010][T14894] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 383.715097][T14894] RIP: 0033:0x7f2682f5a94e [ 383.715149][T14894] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 32 printk messages dropped ** [ 383.750215][T14891] ? __cfi_vfs_write+0x10/0x10 [ 383.750281][T14891] ? __kasan_check_write+0x18/0x20 [ 383.750347][T14891] ? mutex_lock+0x97/0x1d0 [ 383.750413][T14891] ? __cfi_mutex_lock+0x10/0x10 [ 383.750478][T14891] ? __fget_files+0x2c5/0x340 [ 383.750565][T14891] ksys_write+0x145/0x260 [ 383.750638][T14891] ? __cfi_ksys_write+0x10/0x10 [ 383.750714][T14891] ? __kasan_check_read+0x15/0x20 [ 383.750806][T14891] __x64_sys_write+0x7f/0x90 ** 34 printk messages dropped ** [ 383.804300][T14895] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.804356][T14895] ? vfs_writev+0xacb/0xe50 [ 383.804448][T14895] ? bpf_lsm_file_permission+0xd/0x20 [ 383.804514][T14895] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.804570][T14895] vfs_write+0x3c5/0xf90 [ 383.804633][T14895] ? __cfi_vfs_write+0x10/0x10 [ 383.804705][T14895] ? __kasan_check_write+0x18/0x20 [ 383.804769][T14895] ? mutex_lock+0x97/0x1d0 [ 383.804842][T14895] ? __cfi_mutex_lock+0x10/0x10 ** 2 printk messages dropped ** [ 383.805058][T14895] ? __cfi_ksys_write+0x10/0x10 ** 37 printk messages dropped ** [ 383.825773][T14897] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 2 printk messages dropped ** [ 383.825983][T14897] ? __kasan_check_write+0x18/0x20 [ 383.826047][T14897] ? mutex_lock+0x97/0x1d0 [ 383.826118][T14897] ? __cfi_mutex_lock+0x10/0x10 [ 383.826175][T14897] ? __fget_files+0x2c5/0x340 [ 383.826247][T14897] ksys_write+0x145/0x260 [ 383.826320][T14897] ? __cfi_ksys_write+0x10/0x10 [ 383.826398][T14897] ? __kasan_check_read+0x15/0x20 [ 383.826458][T14897] __x64_sys_write+0x7f/0x90 ** 37 printk messages dropped ** [ 383.922071][T14903] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.922127][T14903] vfs_write+0x3c5/0xf90 ** 43 printk messages dropped ** [ 383.976920][T14905] ? vfs_writev+0xacb/0xe50 [ 383.976999][T14905] ? bpf_lsm_file_permission+0xd/0x20 [ 383.977055][T14905] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 383.977119][T14905] vfs_write+0x3c5/0xf90 [ 383.977190][T14905] ? __cfi_vfs_write+0x10/0x10 [ 383.977257][T14905] ? __kasan_check_write+0x18/0x20 [ 383.977324][T14905] ? mutex_lock+0x97/0x1d0 [ 383.977376][T14905] ? __cfi_mutex_lock+0x10/0x10 [ 383.977425][T14905] ? __fget_files+0x2c5/0x340 [ 383.977540][T14905] ksys_write+0x145/0x260 ** 11 printk messages dropped ** [ 383.978306][T14905] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 25 printk messages dropped ** [ 384.007744][T14899] ? vfs_writev+0xacb/0xe50 ** 1 printk messages dropped ** [ 384.007884][T14899] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 45 printk messages dropped ** [ 384.024358][T14907] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.024413][T14907] vfs_write+0x3c5/0xf90 [ 384.024487][T14907] ? __cfi_vfs_write+0x10/0x10 [ 384.024553][T14907] ? __kasan_check_write+0x18/0x20 [ 384.024624][T14907] ? mutex_lock+0x97/0x1d0 [ 384.024692][T14907] ? __cfi_mutex_lock+0x10/0x10 [ 384.024758][T14907] ? __fget_files+0x2c5/0x340 ** 39 printk messages dropped ** [ 384.085545][T14910] ? vfs_writev+0xacb/0xe50 [ 384.085618][T14910] ? bpf_lsm_file_permission+0xd/0x20 [ 384.085675][T14910] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.085737][T14910] vfs_write+0x3c5/0xf90 [ 384.085804][T14910] ? __cfi_vfs_write+0x10/0x10 [ 384.085870][T14910] ? __kasan_check_write+0x18/0x20 [ 384.085936][T14910] ? mutex_lock+0x97/0x1d0 [ 384.086000][T14910] ? __cfi_mutex_lock+0x10/0x10 [ 384.086066][T14910] ? __fget_files+0x2c5/0x340 [ 384.086151][T14910] ksys_write+0x145/0x260 [ 384.086240][T14910] ? __cfi_ksys_write+0x10/0x10 [ 384.086330][T14910] ? __kasan_check_read+0x15/0x20 ** 35 printk messages dropped ** [ 384.129854][T14904] ? vfs_writev+0xacb/0xe50 [ 384.129939][T14904] ? bpf_lsm_file_permission+0xd/0x20 ** 17 printk messages dropped ** [ 384.131161][T14904] RSP: 002b:00007f88205edfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 28 printk messages dropped ** [ 384.147742][T14912] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.147831][T14912] vfs_write+0x3c5/0xf90 [ 384.147918][T14912] ? __cfi_vfs_write+0x10/0x10 [ 384.147981][T14912] ? __kasan_check_write+0x18/0x20 [ 384.148055][T14912] ? mutex_lock+0x97/0x1d0 [ 384.148119][T14912] ? __cfi_mutex_lock+0x10/0x10 [ 384.148185][T14912] ? __fget_files+0x2c5/0x340 [ 384.148268][T14912] ksys_write+0x145/0x260 [ 384.148333][T14912] ? __cfi_ksys_write+0x10/0x10 [ 384.148406][T14912] ? __kasan_check_read+0x15/0x20 [ 384.148472][T14912] __x64_sys_write+0x7f/0x90 [ 384.148545][T14912] x64_sys_call+0x271c/0x2ee0 ** 35 printk messages dropped ** [ 384.200262][T14914] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 2 printk messages dropped ** [ 384.200454][T14914] ? __kasan_check_write+0x18/0x20 [ 384.200539][T14914] ? mutex_lock+0x97/0x1d0 [ 384.200614][T14914] ? __cfi_mutex_lock+0x10/0x10 [ 384.200678][T14914] ? __fget_files+0x2c5/0x340 ** 39 printk messages dropped ** [ 384.296890][T14920] ? vfs_writev+0xacb/0xe50 [ 384.296976][T14920] ? bpf_lsm_file_permission+0xd/0x20 [ 384.297038][T14920] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.297092][T14920] vfs_write+0x3c5/0xf90 ** 1 printk messages dropped ** [ 384.297237][T14920] ? __kasan_check_write+0x18/0x20 ** 43 printk messages dropped ** [ 384.350293][T14916] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.350349][T14916] vfs_write+0x3c5/0xf90 [ 384.350421][T14916] ? __cfi_vfs_write+0x10/0x10 [ 384.350655][T14916] ? __kasan_check_write+0x18/0x20 [ 384.350731][T14916] ? mutex_lock+0x97/0x1d0 [ 384.350814][T14916] ? __cfi_mutex_lock+0x10/0x10 [ 384.350923][T14916] ? __fget_files+0x2c5/0x340 [ 384.351018][T14916] ksys_write+0x145/0x260 [ 384.351099][T14916] ? __cfi_ksys_write+0x10/0x10 ** 14 printk messages dropped ** [ 384.351996][T14916] ** 25 printk messages dropped ** [ 384.354352][T14922] ? __kasan_check_write+0x18/0x20 [ 384.354417][T14922] ? mutex_lock+0x97/0x1d0 [ 384.354490][T14922] ? __cfi_mutex_lock+0x10/0x10 ** 21 printk messages dropped ** [ 384.405383][T14924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 18 printk messages dropped ** [ 384.406515][T14924] ? vfs_writev+0xacb/0xe50 [ 384.406609][T14924] ? bpf_lsm_file_permission+0xd/0x20 [ 384.406663][T14924] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.406724][T14924] vfs_write+0x3c5/0xf90 [ 384.406791][T14924] ? __cfi_vfs_write+0x10/0x10 [ 384.406860][T14924] ? __kasan_check_write+0x18/0x20 [ 384.406930][T14924] ? mutex_lock+0x97/0x1d0 [ 384.406995][T14924] ? __cfi_mutex_lock+0x10/0x10 [ 384.407106][T14924] ? __fget_files+0x2c5/0x340 [ 384.407192][T14924] ksys_write+0x145/0x260 [ 384.407258][T14924] ? __cfi_ksys_write+0x10/0x10 [ 384.407331][T14924] ? __kasan_check_read+0x15/0x20 [ 384.407394][T14924] __x64_sys_write+0x7f/0x90 [ 384.407467][T14924] x64_sys_call+0x271c/0x2ee0 ** 36 printk messages dropped ** [ 384.410129][T14921] ? __cfi_vfs_write+0x10/0x10 [ 384.410195][T14921] ? __kasan_check_write+0x18/0x20 [ 384.410266][T14921] ? mutex_lock+0x97/0x1d0 [ 384.410356][T14921] ? __cfi_mutex_lock+0x10/0x10 ** 12 printk messages dropped ** [ 384.411253][T14921] RAX: ffffffffffffffda RBX: 00007f88205ee6c0 RCX: 00007f881f75a94e ** 28 printk messages dropped ** [ 384.506136][T14928] ? bpf_lsm_file_permission+0xd/0x20 [ 384.506190][T14928] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.506251][T14928] vfs_write+0x3c5/0xf90 [ 384.506318][T14928] ? __cfi_vfs_write+0x10/0x10 [ 384.506381][T14928] ? __kasan_check_write+0x18/0x20 ** 26 printk messages dropped ** [ 384.561103][T14927] dump_stack_lvl+0x140/0x1c0 ** 18 printk messages dropped ** [ 384.562421][T14927] ? __cfi_vfs_write+0x10/0x10 [ 384.562488][T14927] ? __kasan_check_write+0x18/0x20 [ 384.562512][T14927] ? mutex_lock+0x97/0x1d0 [ 384.562545][T14927] ? __cfi_mutex_lock+0x10/0x10 ** 31 printk messages dropped ** [ 384.566290][T14931] _copy_from_user+0x20/0xa0 ** 10 printk messages dropped ** [ 384.567045][T14931] ? __cfi_vfs_write+0x10/0x10 [ 384.567110][T14931] ? __kasan_check_write+0x18/0x20 [ 384.567182][T14931] ? mutex_lock+0x97/0x1d0 [ 384.567248][T14931] ? __cfi_mutex_lock+0x10/0x10 [ 384.567312][T14931] ? __fget_files+0x2c5/0x340 [ 384.567398][T14931] ksys_write+0x145/0x260 [ 384.567470][T14931] ? __cfi_ksys_write+0x10/0x10 [ 384.567546][T14931] ? __kasan_check_read+0x15/0x20 [ 384.567620][T14931] __x64_sys_write+0x7f/0x90 [ 384.567686][T14931] x64_sys_call+0x271c/0x2ee0 [ 384.567761][T14931] do_syscall_64+0x57/0xf0 [ 384.567818][T14931] ? clear_bhb_loop+0x50/0xa0 [ 384.567880][T14931] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 6 printk messages dropped ** [ 384.568248][T14931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 28 printk messages dropped ** [ 384.624477][T14938] ? __cfi_vfs_write+0x10/0x10 ** 43 printk messages dropped ** [ 384.668493][T14933] ? bpf_lsm_file_permission+0xd/0x20 [ 384.668542][T14933] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 384.668597][T14933] vfs_write+0x3c5/0xf90 [ 384.668671][T14933] ? __cfi_vfs_write+0x10/0x10 [ 384.668735][T14933] ? __kasan_check_write+0x18/0x20 [ 384.668802][T14933] ? mutex_lock+0x97/0x1d0 [ 384.668904][T14933] ? __cfi_mutex_lock+0x10/0x10 ** 42 printk messages dropped ** [ 384.677396][T14939] ? __cfi_vfs_write+0x10/0x10 [ 384.677462][T14939] ? __kasan_check_write+0x18/0x20 [ 384.677520][T14939] ? mutex_lock+0x97/0x1d0 [ 384.677586][T14939] ? __cfi_mutex_lock+0x10/0x10 [ 384.677652][T14939] ? __fget_files+0x2c5/0x340 [ 384.677739][T14939] ksys_write+0x145/0x260 [ 384.677787][T14939] ? __cfi_ksys_write+0x10/0x10 [ 384.677815][T14939] ? __kasan_check_read+0x15/0x20 [ 384.677837][T14939] __x64_sys_write+0x7f/0x90 [ 384.677863][T14939] x64_sys_call+0x271c/0x2ee0 [ 384.677891][T14939] do_syscall_64+0x57/0xf0 [ 384.677911][T14939] ? clear_bhb_loop+0x50/0xa0 [ 384.677958][T14939] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 36 printk messages dropped ** [ 384.712689][T14941] ? mutex_lock+0x97/0x1d0 ** 44 printk messages dropped ** [ 384.748644][T14935] ? __cfi_vfs_write+0x10/0x10 [ 384.748708][T14935] ? __kasan_check_write+0x18/0x20 [ 384.748783][T14935] ? mutex_lock+0x97/0x1d0 [ 384.748848][T14935] ? __cfi_mutex_lock+0x10/0x10 [ 384.748913][T14935] ? __fget_files+0x2c5/0x340 [ 384.748998][T14935] ksys_write+0x145/0x260 [ 384.749063][T14935] ? __cfi_ksys_write+0x10/0x10 [ 384.749129][T14935] ? __kasan_check_read+0x15/0x20 [ 384.749201][T14935] __x64_sys_write+0x7f/0x90 [ 384.749267][T14935] x64_sys_call+0x271c/0x2ee0 [ 384.749351][T14935] do_syscall_64+0x57/0xf0 [ 384.749405][T14935] ? clear_bhb_loop+0x50/0xa0 [ 384.749461][T14935] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 36 printk messages dropped ** [ 384.818667][T14943] ? mutex_lock+0x97/0x1d0 [ 384.818732][T14943] ? __cfi_mutex_lock+0x10/0x10 [ 384.818798][T14943] ? __fget_files+0x2c5/0x340 [ 384.818885][T14943] ksys_write+0x145/0x260 [ 384.818950][T14943] ? __cfi_ksys_write+0x10/0x10 [ 384.819025][T14943] ? __kasan_check_read+0x15/0x20 [ 384.819093][T14943] __x64_sys_write+0x7f/0x90 ** 30 printk messages dropped ** [ 384.867834][T14947] ? selinux_file_permission+0x318/0xb60 ** 54 printk messages dropped ** [ 384.896910][T14948] ? __cfi_vfs_write+0x10/0x10 [ 384.896982][T14948] ? __kasan_check_write+0x18/0x20 [ 384.897050][T14948] ? mutex_lock+0x97/0x1d0 [ 384.897115][T14948] ? __cfi_mutex_lock+0x10/0x10 [ 384.897175][T14948] ? __fget_files+0x2c5/0x340 [ 384.897259][T14948] ksys_write+0x145/0x260 [ 384.897326][T14948] ? __cfi_ksys_write+0x10/0x10 [ 384.897404][T14948] ? __kasan_check_read+0x15/0x20 [ 384.897470][T14948] __x64_sys_write+0x7f/0x90 [ 384.897547][T14948] x64_sys_call+0x271c/0x2ee0 [ 384.897624][T14948] do_syscall_64+0x57/0xf0 [ 384.897679][T14948] ? clear_bhb_loop+0x50/0xa0 [ 384.897742][T14948] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 384.897834][T14948] RIP: 0033:0x7f805455a94e [ 384.897854][T14948] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 34 printk messages dropped ** [ 384.934961][T14949] ? mutex_lock+0x97/0x1d0 [ 384.935034][T14949] ? __cfi_mutex_lock+0x10/0x10 ** 1 printk messages dropped ** [ 384.935181][T14949] ksys_write+0x145/0x260 [ 384.935246][T14949] ? __cfi_ksys_write+0x10/0x10 ** 16 printk messages dropped ** [ 384.984105][T14956] FAULT_INJECTION: forcing a failure. [ 384.984105][T14956] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 24 printk messages dropped ** [ 384.987209][T14955] ? __cfi_vfs_write+0x10/0x10 [ 384.987268][T14955] ? __kasan_check_write+0x18/0x20 [ 384.987334][T14955] ? mutex_lock+0x97/0x1d0 [ 384.987408][T14955] ? __cfi_mutex_lock+0x10/0x10 [ 384.987474][T14955] ? __fget_files+0x2c5/0x340 [ 384.987552][T14955] ksys_write+0x145/0x260 [ 384.987618][T14955] ? __cfi_ksys_write+0x10/0x10 [ 384.987693][T14955] ? __kasan_check_read+0x15/0x20 ** 59 printk messages dropped ** [ 385.036778][T14959] RSP: 002b:00007f88205edfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 22 printk messages dropped ** [ 385.076232][T14956] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 385.076286][T14956] ? selinux_file_permission+0x318/0xb60 [ 385.076351][T14956] ? __cfi_selinux_file_permission+0x10/0x10 [ 385.076414][T14956] proc_fail_nth_write+0x8f/0x220 [ 385.076469][T14956] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.076535][T14956] ? vfs_writev+0xacb/0xe50 [ 385.076611][T14956] ? bpf_lsm_file_permission+0xd/0x20 [ 385.076667][T14956] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.076745][T14956] vfs_write+0x3c5/0xf90 [ 385.076827][T14956] ? __cfi_vfs_write+0x10/0x10 [ 385.076900][T14956] ? __kasan_check_write+0x18/0x20 [ 385.076972][T14956] ? mutex_lock+0x97/0x1d0 [ 385.077036][T14956] ? __cfi_mutex_lock+0x10/0x10 [ 385.077106][T14956] ? __fget_files+0x2c5/0x340 ** 37 printk messages dropped ** [ 385.079916][T14951] ? vfs_writev+0xacb/0xe50 [ 385.080001][T14951] ? bpf_lsm_file_permission+0xd/0x20 [ 385.080064][T14951] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.080119][T14951] vfs_write+0x3c5/0xf90 [ 385.080185][T14951] ? __cfi_vfs_write+0x10/0x10 [ 385.080257][T14951] ? __kasan_check_write+0x18/0x20 [ 385.080326][T14951] ? mutex_lock+0x97/0x1d0 [ 385.080351][T14951] ? __cfi_mutex_lock+0x10/0x10 [ 385.080376][T14951] ? __fget_files+0x2c5/0x340 [ 385.080407][T14951] ksys_write+0x145/0x260 ** 36 printk messages dropped ** [ 385.082712][T14957] ? vfs_writev+0xacb/0xe50 ** 1 printk messages dropped ** [ 385.082850][T14957] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 2 printk messages dropped ** [ 385.083043][T14957] ? __kasan_check_write+0x18/0x20 [ 385.083109][T14957] ? mutex_lock+0x97/0x1d0 ** 41 printk messages dropped ** [ 385.185903][T14962] ? vfs_writev+0xacb/0xe50 [ 385.185975][T14962] ? bpf_lsm_file_permission+0xd/0x20 [ 385.186029][T14962] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.186085][T14962] vfs_write+0x3c5/0xf90 [ 385.186159][T14962] ? __cfi_vfs_write+0x10/0x10 [ 385.186257][T14962] ? __kasan_check_write+0x18/0x20 [ 385.186338][T14962] ? mutex_lock+0x97/0x1d0 [ 385.186404][T14962] ? __cfi_mutex_lock+0x10/0x10 [ 385.186470][T14962] ? __fget_files+0x2c5/0x340 [ 385.186563][T14962] ksys_write+0x145/0x260 [ 385.186627][T14962] ? xfd_validate_state+0x68/0x140 [ 385.186700][T14962] ? __cfi_ksys_write+0x10/0x10 [ 385.186770][T14962] ? __kasan_check_read+0x15/0x20 [ 385.186842][T14962] __x64_sys_write+0x7f/0x90 [ 385.186907][T14962] x64_sys_call+0x271c/0x2ee0 ** 37 printk messages dropped ** [ 385.256180][T14967] ? __kasan_check_write+0x18/0x20 [ 385.256244][T14967] ? mutex_lock+0x97/0x1d0 [ 385.256312][T14967] ? __cfi_mutex_lock+0x10/0x10 [ 385.256376][T14967] ? __fget_files+0x2c5/0x340 ** 16 printk messages dropped ** [ 385.257554][T14967] ** 22 printk messages dropped ** [ 385.299270][T14973] ? vfs_writev+0xacb/0xe50 [ 385.299377][T14973] ? bpf_lsm_file_permission+0xd/0x20 [ 385.299446][T14973] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.299501][T14973] vfs_write+0x3c5/0xf90 ** 43 printk messages dropped ** [ 385.332084][T14968] ? vfs_writev+0xacb/0xe50 ** 41 printk messages dropped ** [ 385.335690][T14966] ? selinux_file_permission+0x318/0xb60 ** 3 printk messages dropped ** [ 385.335932][T14966] ? vfs_writev+0xacb/0xe50 [ 385.336007][T14966] ? bpf_lsm_file_permission+0xd/0x20 [ 385.336059][T14966] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.336082][T14966] vfs_write+0x3c5/0xf90 [ 385.336109][T14966] ? __cfi_vfs_write+0x10/0x10 [ 385.336133][T14966] ? __kasan_check_write+0x18/0x20 [ 385.336203][T14966] ? mutex_lock+0x97/0x1d0 [ 385.336297][T14966] ? __cfi_mutex_lock+0x10/0x10 [ 385.336376][T14966] ? __fget_files+0x2c5/0x340 ** 19 printk messages dropped ** [ 385.379412][T14974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 18 printk messages dropped ** [ 385.380725][T14974] ? vfs_writev+0xacb/0xe50 [ 385.380842][T14974] ? bpf_lsm_file_permission+0xd/0x20 [ 385.380896][T14974] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.380959][T14974] vfs_write+0x3c5/0xf90 [ 385.381028][T14974] ? __cfi_vfs_write+0x10/0x10 [ 385.381093][T14974] ? __kasan_check_write+0x18/0x20 [ 385.381159][T14974] ? mutex_lock+0x97/0x1d0 [ 385.381232][T14974] ? __cfi_mutex_lock+0x10/0x10 ** 11 printk messages dropped ** [ 385.382076][T14974] RSP: 002b:00007f88205abfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 26 printk messages dropped ** [ 385.472067][T14981] proc_fail_nth_write+0x8f/0x220 ** 1 printk messages dropped ** [ 385.472182][T14981] ? vfs_writev+0xacb/0xe50 [ 385.472259][T14981] ? bpf_lsm_file_permission+0xd/0x20 [ 385.472313][T14981] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.472376][T14981] vfs_write+0x3c5/0xf90 ** 44 printk messages dropped ** [ 385.525677][T14982] ? bpf_lsm_file_permission+0xd/0x20 [ 385.525731][T14982] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 20 printk messages dropped ** [ 385.527106][T14982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 23 printk messages dropped ** [ 385.531211][T14976] ? bpf_lsm_file_permission+0xd/0x20 [ 385.531266][T14976] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.531322][T14976] vfs_write+0x3c5/0xf90 [ 385.531394][T14976] ? __cfi_vfs_write+0x10/0x10 [ 385.531470][T14976] ? __kasan_check_write+0x18/0x20 [ 385.531556][T14976] ? mutex_lock+0x97/0x1d0 [ 385.531628][T14976] ? __cfi_mutex_lock+0x10/0x10 ** 17 printk messages dropped ** [ 385.532742][T14976] ** 19 printk messages dropped ** [ 385.587954][T14987] ? selinux_file_permission+0x318/0xb60 [ 385.588018][T14987] ? __cfi_selinux_file_permission+0x10/0x10 [ 385.588085][T14987] proc_fail_nth_write+0x8f/0x220 [ 385.588149][T14987] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.588204][T14987] ? vfs_writev+0xacb/0xe50 [ 385.588322][T14987] ? bpf_lsm_file_permission+0xd/0x20 [ 385.588389][T14987] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.588458][T14987] vfs_write+0x3c5/0xf90 [ 385.588525][T14987] ? __cfi_vfs_write+0x10/0x10 [ 385.588590][T14987] ? __kasan_check_write+0x18/0x20 [ 385.588667][T14987] ? mutex_lock+0x97/0x1d0 [ 385.588741][T14987] ? __cfi_mutex_lock+0x10/0x10 [ 385.588812][T14987] ? __fget_files+0x2c5/0x340 [ 385.588906][T14987] ksys_write+0x145/0x260 [ 385.588972][T14987] ? __cfi_ksys_write+0x10/0x10 [ 385.589045][T14987] ? __kasan_check_read+0x15/0x20 ** 34 printk messages dropped ** [ 385.627349][T14984] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 27 printk messages dropped ** [ 385.629330][T14980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 17 printk messages dropped ** [ 385.630314][T14980] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.630368][T14980] ? vfs_writev+0xacb/0xe50 [ 385.630461][T14980] ? bpf_lsm_file_permission+0xd/0x20 [ 385.630515][T14980] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.630575][T14980] vfs_write+0x3c5/0xf90 [ 385.630641][T14980] ? __cfi_vfs_write+0x10/0x10 [ 385.630708][T14980] ? __kasan_check_write+0x18/0x20 [ 385.630779][T14980] ? mutex_lock+0x97/0x1d0 [ 385.630834][T14980] ? __cfi_mutex_lock+0x10/0x10 [ 385.630919][T14980] ? __fget_files+0x2c5/0x340 [ 385.631023][T14980] ksys_write+0x145/0x260 [ 385.631100][T14980] ? __cfi_ksys_write+0x10/0x10 [ 385.631165][T14980] ? __kasan_check_read+0x15/0x20 [ 385.631237][T14980] __x64_sys_write+0x7f/0x90 [ 385.631316][T14980] x64_sys_call+0x271c/0x2ee0 [ 385.631391][T14980] do_syscall_64+0x57/0xf0 ** 34 printk messages dropped ** [ 385.674667][T14989] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 46 printk messages dropped ** [ 385.721388][T14996] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.721438][T14996] vfs_write+0x3c5/0xf90 [ 385.721511][T14996] ? __cfi_vfs_write+0x10/0x10 [ 385.721593][T14996] ? __kasan_check_write+0x18/0x20 [ 385.721696][T14996] ? mutex_lock+0x97/0x1d0 [ 385.721748][T14996] ? __cfi_mutex_lock+0x10/0x10 [ 385.721813][T14996] ? __fget_files+0x2c5/0x340 [ 385.721898][T14996] ksys_write+0x145/0x260 ** 2 printk messages dropped ** [ 385.722054][T14996] ? __kasan_check_read+0x15/0x20 ** 35 printk messages dropped ** [ 385.804916][T15000] proc_fail_nth_write+0x8f/0x220 [ 385.804979][T15000] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.805061][T15000] ? vfs_writev+0xacb/0xe50 [ 385.805152][T15000] ? bpf_lsm_file_permission+0xd/0x20 ** 42 printk messages dropped ** [ 385.813027][T14991] proc_fail_nth_write+0x8f/0x220 ** 1 printk messages dropped ** [ 385.813143][T14991] ? vfs_writev+0xacb/0xe50 [ 385.813226][T14991] ? bpf_lsm_file_permission+0xd/0x20 [ 385.813280][T14991] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.813334][T14991] vfs_write+0x3c5/0xf90 [ 385.813405][T14991] ? __cfi_vfs_write+0x10/0x10 ** 1 printk messages dropped ** [ 385.813546][T14991] ? mutex_lock+0x97/0x1d0 ** 39 printk messages dropped ** [ 385.816580][T14999] ? vfs_writev+0xacb/0xe50 [ 385.816659][T14999] ? bpf_lsm_file_permission+0xd/0x20 [ 385.816708][T14999] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.816770][T14999] vfs_write+0x3c5/0xf90 [ 385.816836][T14999] ? __cfi_vfs_write+0x10/0x10 [ 385.816900][T14999] ? __kasan_check_write+0x18/0x20 [ 385.816965][T14999] ? mutex_lock+0x97/0x1d0 [ 385.817029][T14999] ? __cfi_mutex_lock+0x10/0x10 [ 385.817095][T14999] ? __fget_files+0x2c5/0x340 [ 385.817173][T14999] ksys_write+0x145/0x260 [ 385.817243][T14999] ? __cfi_ksys_write+0x10/0x10 [ 385.817308][T14999] ? __kasan_check_read+0x15/0x20 ** 3 printk messages dropped ** [ 385.817587][T14999] ? clear_bhb_loop+0x50/0xa0 ** 31 printk messages dropped ** [ 385.936283][T15002] proc_fail_nth_write+0x8f/0x220 [ 385.936336][T15002] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.936399][T15002] ? vfs_writev+0xacb/0xe50 [ 385.936475][T15002] ? bpf_lsm_file_permission+0xd/0x20 [ 385.936524][T15002] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.936579][T15002] vfs_write+0x3c5/0xf90 [ 385.936653][T15002] ? __cfi_vfs_write+0x10/0x10 [ 385.936717][T15002] ? __kasan_check_write+0x18/0x20 [ 385.936792][T15002] ? mutex_lock+0x97/0x1d0 [ 385.936857][T15002] ? __cfi_mutex_lock+0x10/0x10 ** 40 printk messages dropped ** [ 385.988997][T14997] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 385.989059][T14997] vfs_write+0x3c5/0xf90 [ 385.989131][T14997] ? __cfi_vfs_write+0x10/0x10 [ 385.989195][T14997] ? __kasan_check_write+0x18/0x20 [ 385.989267][T14997] ? mutex_lock+0x97/0x1d0 [ 385.989331][T14997] ? __cfi_mutex_lock+0x10/0x10 [ 385.989399][T14997] ? __fget_files+0x2c5/0x340 [ 385.989484][T14997] ksys_write+0x145/0x260 ** 60 printk messages dropped ** [ 386.041600][T15004] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 ** 68 printk messages dropped ** [ 386.107545][T15008] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.107568][T15008] proc_fail_nth_write+0x8f/0x220 [ 386.107633][T15008] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.107695][T15008] ? vfs_writev+0xacb/0xe50 [ 386.107769][T15008] ? bpf_lsm_file_permission+0xd/0x20 [ 386.107835][T15008] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.107897][T15008] vfs_write+0x3c5/0xf90 [ 386.107972][T15008] ? __cfi_vfs_write+0x10/0x10 [ 386.108038][T15008] ? __kasan_check_write+0x18/0x20 [ 386.108112][T15008] ? mutex_lock+0x97/0x1d0 [ 386.108178][T15008] ? __cfi_mutex_lock+0x10/0x10 [ 386.108251][T15008] ? __fget_files+0x2c5/0x340 [ 386.108345][T15008] ksys_write+0x145/0x260 [ 386.108456][T15008] ? __cfi_ksys_write+0x10/0x10 [ 386.108539][T15008] ? __kasan_check_read+0x15/0x20 [ 386.108605][T15008] __x64_sys_write+0x7f/0x90 ** 14 printk messages dropped ** [ 386.159876][T15012] CPU: 1 UID: 0 PID: 15012 Comm: syz.1.7031 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 20 printk messages dropped ** [ 386.161212][T15012] ? bpf_lsm_file_permission+0xd/0x20 ** 44 printk messages dropped ** [ 386.186992][T15015] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 386.223318][T15010] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.223383][T15010] proc_fail_nth_write+0x8f/0x220 [ 386.223438][T15010] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.223494][T15010] ? vfs_writev+0xacb/0xe50 [ 386.223579][T15010] ? bpf_lsm_file_permission+0xd/0x20 [ 386.223633][T15010] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.223708][T15010] vfs_write+0x3c5/0xf90 [ 386.223775][T15010] ? __cfi_vfs_write+0x10/0x10 [ 386.223863][T15010] ? __kasan_check_write+0x18/0x20 [ 386.223958][T15010] ? mutex_lock+0x97/0x1d0 [ 386.224031][T15010] ? __cfi_mutex_lock+0x10/0x10 [ 386.224097][T15010] ? __fget_files+0x2c5/0x340 [ 386.224182][T15010] ksys_write+0x145/0x260 [ 386.224256][T15010] ? __cfi_ksys_write+0x10/0x10 [ 386.224330][T15010] ? __kasan_check_read+0x15/0x20 [ 386.224395][T15010] __x64_sys_write+0x7f/0x90 [ 386.224470][T15010] x64_sys_call+0x271c/0x2ee0 [ 386.224554][T15010] do_syscall_64+0x57/0xf0 ** 29 printk messages dropped ** [ 386.283352][T15016] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.283409][T15016] proc_fail_nth_write+0x8f/0x220 [ 386.283473][T15016] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.283528][T15016] ? vfs_writev+0xacb/0xe50 [ 386.283611][T15016] ? bpf_lsm_file_permission+0xd/0x20 [ 386.283665][T15016] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.283706][T15016] vfs_write+0x3c5/0xf90 [ 386.283786][T15016] ? __cfi_vfs_write+0x10/0x10 ** 39 printk messages dropped ** [ 386.300935][T15020] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.300958][T15020] proc_fail_nth_write+0x8f/0x220 [ 386.301036][T15020] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.301098][T15020] ? vfs_writev+0xacb/0xe50 [ 386.301196][T15020] ? bpf_lsm_file_permission+0xd/0x20 [ 386.301259][T15020] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.301313][T15020] vfs_write+0x3c5/0xf90 [ 386.301386][T15020] ? __cfi_vfs_write+0x10/0x10 ** 41 printk messages dropped ** [ 386.371368][T15019] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.371424][T15019] ? vfs_writev+0xacb/0xe50 ** 19 printk messages dropped ** [ 386.372834][T15019] RAX: ffffffffffffffda RBX: 00007f88205ee6c0 RCX: 00007f881f75a94e ** 23 printk messages dropped ** [ 386.402393][T15025] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.402466][T15025] proc_fail_nth_write+0x8f/0x220 [ 386.402521][T15025] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.402578][T15025] ? vfs_writev+0xacb/0xe50 [ 386.402660][T15025] ? bpf_lsm_file_permission+0xd/0x20 [ 386.402708][T15025] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.402769][T15025] vfs_write+0x3c5/0xf90 [ 386.402834][T15025] ? __cfi_vfs_write+0x10/0x10 [ 386.402899][T15025] ? __kasan_check_write+0x18/0x20 [ 386.402970][T15025] ? mutex_lock+0x97/0x1d0 [ 386.403036][T15025] ? __cfi_mutex_lock+0x10/0x10 [ 386.403096][T15025] ? __fget_files+0x2c5/0x340 ** 36 printk messages dropped ** [ 386.430169][T15026] ? __cfi_selinux_file_permission+0x10/0x10 ** 22 printk messages dropped ** [ 386.431732][T15026] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 20 printk messages dropped ** [ 386.482832][T15023] kstrtouint_from_user+0xde/0x170 [ 386.482894][T15023] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 386.482958][T15023] ? selinux_file_permission+0x318/0xb60 [ 386.483023][T15023] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.483087][T15023] proc_fail_nth_write+0x8f/0x220 [ 386.483144][T15023] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.483207][T15023] ? vfs_writev+0xacb/0xe50 [ 386.483286][T15023] ? bpf_lsm_file_permission+0xd/0x20 [ 386.483341][T15023] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.483386][T15023] vfs_write+0x3c5/0xf90 [ 386.483411][T15023] ? __cfi_vfs_write+0x10/0x10 ** 40 printk messages dropped ** [ 386.506856][T15028] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.506918][T15028] ? vfs_writev+0xacb/0xe50 [ 386.506994][T15028] ? bpf_lsm_file_permission+0xd/0x20 [ 386.507055][T15028] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.507110][T15028] vfs_write+0x3c5/0xf90 [ 386.507183][T15028] ? __cfi_vfs_write+0x10/0x10 ** 56 printk messages dropped ** [ 386.591476][T15030] x64_sys_call+0x271c/0x2ee0 ** 29 printk messages dropped ** [ 386.615300][T15036] ? selinux_file_permission+0x318/0xb60 [ 386.615402][T15036] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.615492][T15036] proc_fail_nth_write+0x8f/0x220 [ 386.615556][T15036] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.615616][T15036] ? vfs_writev+0xacb/0xe50 [ 386.615692][T15036] ? bpf_lsm_file_permission+0xd/0x20 [ 386.615746][T15036] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.615801][T15036] vfs_write+0x3c5/0xf90 [ 386.615877][T15036] ? __cfi_vfs_write+0x10/0x10 ** 38 printk messages dropped ** [ 386.653549][T15034] ? selinux_file_permission+0x318/0xb60 [ 386.653628][T15034] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.653736][T15034] proc_fail_nth_write+0x8f/0x220 [ 386.653808][T15034] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.653877][T15034] ? vfs_writev+0xacb/0xe50 [ 386.653966][T15034] ? bpf_lsm_file_permission+0xd/0x20 [ 386.654022][T15034] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.654085][T15034] vfs_write+0x3c5/0xf90 [ 386.654117][T15034] ? __cfi_vfs_write+0x10/0x10 [ 386.654182][T15034] ? __kasan_check_write+0x18/0x20 [ 386.654248][T15034] ? mutex_lock+0x97/0x1d0 [ 386.654314][T15034] ? __cfi_mutex_lock+0x10/0x10 [ 386.654375][T15034] ? __fget_files+0x2c5/0x340 [ 386.654460][T15034] ksys_write+0x145/0x260 ** 35 printk messages dropped ** [ 386.683513][T15038] proc_fail_nth_write+0x8f/0x220 [ 386.683576][T15038] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.683625][T15038] ? vfs_writev+0xacb/0xe50 [ 386.683712][T15038] ? bpf_lsm_file_permission+0xd/0x20 [ 386.683767][T15038] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.683825][T15038] vfs_write+0x3c5/0xf90 [ 386.683899][T15038] ? __cfi_vfs_write+0x10/0x10 ** 62 printk messages dropped ** [ 386.760725][T15042] RSP: 002b:00007f8055322fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 29 printk messages dropped ** [ 386.772498][T15035] vfs_write+0x3c5/0xf90 ** 39 printk messages dropped ** [ 386.812626][T15043] ? selinux_file_permission+0x318/0xb60 [ 386.812720][T15043] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.812798][T15043] proc_fail_nth_write+0x8f/0x220 [ 386.812861][T15043] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.812916][T15043] ? vfs_writev+0xacb/0xe50 ** 40 printk messages dropped ** [ 386.878209][T15045] _copy_from_user+0x20/0xa0 [ 386.878277][T15045] kstrtouint_from_user+0xde/0x170 [ 386.878341][T15045] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 386.878413][T15045] ? selinux_file_permission+0x318/0xb60 [ 386.878478][T15045] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.878535][T15045] proc_fail_nth_write+0x8f/0x220 [ 386.878598][T15045] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.878647][T15045] ? vfs_writev+0xacb/0xe50 [ 386.878725][T15045] ? bpf_lsm_file_permission+0xd/0x20 [ 386.878796][T15045] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.878861][T15045] vfs_write+0x3c5/0xf90 [ 386.878927][T15045] ? __cfi_vfs_write+0x10/0x10 [ 386.878993][T15045] ? __kasan_check_write+0x18/0x20 [ 386.879066][T15045] ? mutex_lock+0x97/0x1d0 [ 386.879148][T15045] ? __cfi_mutex_lock+0x10/0x10 [ 386.879261][T15045] ? __fget_files+0x2c5/0x340 ** 16 printk messages dropped ** [ 386.880274][T15045] ** 18 printk messages dropped ** [ 386.887454][T15047] proc_fail_nth_write+0x8f/0x220 [ 386.887517][T15047] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.887572][T15047] ? vfs_writev+0xacb/0xe50 [ 386.887649][T15047] ? bpf_lsm_file_permission+0xd/0x20 [ 386.887705][T15047] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 17 printk messages dropped ** [ 386.888986][T15047] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 23 printk messages dropped ** [ 386.954119][T15051] ? selinux_file_permission+0x318/0xb60 [ 386.954182][T15051] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.954245][T15051] proc_fail_nth_write+0x8f/0x220 [ 386.954300][T15051] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 12 printk messages dropped ** [ 386.955199][T15051] __x64_sys_write+0x7f/0x90 ** 27 printk messages dropped ** [ 386.991082][T15053] _copy_from_user+0x20/0xa0 [ 386.991162][T15053] kstrtouint_from_user+0xde/0x170 [ 386.991224][T15053] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 386.991287][T15053] ? selinux_file_permission+0x318/0xb60 [ 386.991357][T15053] ? __cfi_selinux_file_permission+0x10/0x10 [ 386.991415][T15053] proc_fail_nth_write+0x8f/0x220 [ 386.991476][T15053] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.991539][T15053] ? vfs_writev+0xacb/0xe50 [ 386.991625][T15053] ? bpf_lsm_file_permission+0xd/0x20 [ 386.991680][T15053] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.991735][T15053] vfs_write+0x3c5/0xf90 [ 386.991814][T15053] ? __cfi_vfs_write+0x10/0x10 ** 39 printk messages dropped ** [ 386.994545][T15049] proc_fail_nth_write+0x8f/0x220 [ 386.994618][T15049] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.994673][T15049] ? vfs_writev+0xacb/0xe50 [ 386.994756][T15049] ? bpf_lsm_file_permission+0xd/0x20 [ 386.994810][T15049] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 386.994866][T15049] vfs_write+0x3c5/0xf90 [ 386.994931][T15049] ? __cfi_vfs_write+0x10/0x10 [ 386.994995][T15049] ? __kasan_check_write+0x18/0x20 [ 386.995061][T15049] ? mutex_lock+0x97/0x1d0 [ 386.995126][T15049] ? __cfi_mutex_lock+0x10/0x10 [ 386.995191][T15049] ? __fget_files+0x2c5/0x340 [ 386.995268][T15049] ksys_write+0x145/0x260 ** 35 printk messages dropped ** 2026/02/15 15:37:02 executed programs: 7097 [ 387.073630][T15056] proc_fail_nth_write+0x8f/0x220 ** 42 printk messages dropped ** [ 387.116119][T15060] _copy_from_user+0x20/0xa0 [ 387.116185][T15060] kstrtouint_from_user+0xde/0x170 [ 387.116247][T15060] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.116318][T15060] ? selinux_file_permission+0x318/0xb60 [ 387.116395][T15060] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.116459][T15060] proc_fail_nth_write+0x8f/0x220 [ 387.116514][T15060] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.116577][T15060] ? vfs_writev+0xacb/0xe50 [ 387.116663][T15060] ? bpf_lsm_file_permission+0xd/0x20 [ 387.116717][T15060] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.116773][T15060] vfs_write+0x3c5/0xf90 ** 36 printk messages dropped ** [ 387.171634][T15057] _copy_from_user+0x20/0xa0 ** 2 printk messages dropped ** [ 387.171839][T15057] ? selinux_file_permission+0x318/0xb60 [ 387.171903][T15057] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.171964][T15057] proc_fail_nth_write+0x8f/0x220 [ 387.172025][T15057] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.172081][T15057] ? vfs_writev+0xacb/0xe50 [ 387.172158][T15057] ? bpf_lsm_file_permission+0xd/0x20 [ 387.172219][T15057] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.172274][T15057] vfs_write+0x3c5/0xf90 [ 387.172361][T15057] ? __cfi_vfs_write+0x10/0x10 [ 387.172426][T15057] ? __kasan_check_write+0x18/0x20 [ 387.172500][T15057] ? mutex_lock+0x97/0x1d0 ** 37 printk messages dropped ** [ 387.174842][T15061] proc_fail_nth_write+0x8f/0x220 ** 1 printk messages dropped ** [ 387.174940][T15061] ? vfs_writev+0xacb/0xe50 [ 387.175048][T15061] ? bpf_lsm_file_permission+0xd/0x20 [ 387.175102][T15061] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 42 printk messages dropped ** [ 387.258064][T15065] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.258120][T15065] proc_fail_nth_write+0x8f/0x220 [ 387.258181][T15065] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.258235][T15065] ? vfs_writev+0xacb/0xe50 [ 387.258314][T15065] ? bpf_lsm_file_permission+0xd/0x20 [ 387.258385][T15065] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.258441][T15065] vfs_write+0x3c5/0xf90 ** 38 printk messages dropped ** [ 387.310987][T15063] ? selinux_file_permission+0x318/0xb60 ** 46 printk messages dropped ** [ 387.339474][T15071] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.339528][T15071] ? selinux_file_permission+0x318/0xb60 [ 387.339600][T15071] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.339661][T15071] proc_fail_nth_write+0x8f/0x220 [ 387.339719][T15071] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.339780][T15071] ? vfs_writev+0xacb/0xe50 [ 387.339864][T15071] ? bpf_lsm_file_permission+0xd/0x20 [ 387.339919][T15071] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.339985][T15071] vfs_write+0x3c5/0xf90 ** 1 printk messages dropped ** [ 387.340121][T15071] ? __kasan_check_write+0x18/0x20 ** 35 printk messages dropped ** [ 387.415365][T15075] _copy_from_user+0x20/0xa0 [ 387.415450][T15075] kstrtouint_from_user+0xde/0x170 [ 387.415506][T15075] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.415561][T15075] ? selinux_file_permission+0x318/0xb60 [ 387.415619][T15075] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.415684][T15075] proc_fail_nth_write+0x8f/0x220 [ 387.415740][T15075] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 43 printk messages dropped ** [ 387.440949][T15068] ? selinux_file_permission+0x318/0xb60 ** 44 printk messages dropped ** [ 387.467353][T15069] kstrtouint_from_user+0xde/0x170 [ 387.467411][T15069] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.467466][T15069] ? selinux_file_permission+0x318/0xb60 [ 387.467531][T15069] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.467603][T15069] proc_fail_nth_write+0x8f/0x220 [ 387.467659][T15069] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.467713][T15069] ? vfs_writev+0xacb/0xe50 [ 387.467798][T15069] ? bpf_lsm_file_permission+0xd/0x20 [ 387.467882][T15069] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 39 printk messages dropped ** [ 387.476761][T15074] ? selinux_file_permission+0x318/0xb60 [ 387.476826][T15074] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.476881][T15074] proc_fail_nth_write+0x8f/0x220 [ 387.476942][T15074] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.476997][T15074] ? vfs_writev+0xacb/0xe50 [ 387.477082][T15074] ? bpf_lsm_file_permission+0xd/0x20 [ 387.477135][T15074] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.477192][T15074] vfs_write+0x3c5/0xf90 ** 39 printk messages dropped ** [ 387.532982][T15077] ? selinux_file_permission+0x318/0xb60 [ 387.533047][T15077] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.533114][T15077] proc_fail_nth_write+0x8f/0x220 [ 387.533171][T15077] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.533225][T15077] ? vfs_writev+0xacb/0xe50 [ 387.533423][T15077] ? bpf_lsm_file_permission+0xd/0x20 [ 387.533479][T15077] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.533534][T15077] vfs_write+0x3c5/0xf90 [ 387.533613][T15077] ? __cfi_vfs_write+0x10/0x10 [ 387.533679][T15077] ? __kasan_check_write+0x18/0x20 [ 387.533759][T15077] ? mutex_lock+0x97/0x1d0 [ 387.533823][T15077] ? __cfi_mutex_lock+0x10/0x10 [ 387.533888][T15077] ? __fget_files+0x2c5/0x340 [ 387.533971][T15077] ksys_write+0x145/0x260 ** 25 printk messages dropped ** [ 387.589862][T15080] ? check_stack_object+0x106/0x150 ** 10 printk messages dropped ** [ 387.590325][T15080] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 42 printk messages dropped ** [ 387.630288][T15083] kstrtouint_from_user+0xde/0x170 [ 387.630344][T15083] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.630399][T15083] ? selinux_file_permission+0x318/0xb60 [ 387.630463][T15083] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.630530][T15083] proc_fail_nth_write+0x8f/0x220 [ 387.630587][T15083] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.630648][T15083] ? vfs_writev+0xacb/0xe50 [ 387.630718][T15083] ? bpf_lsm_file_permission+0xd/0x20 [ 387.630771][T15083] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.630836][T15083] vfs_write+0x3c5/0xf90 [ 387.630903][T15083] ? __cfi_vfs_write+0x10/0x10 [ 387.630974][T15083] ? __kasan_check_write+0x18/0x20 ** 13 printk messages dropped ** [ 387.631952][T15083] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 25 printk messages dropped ** [ 387.646072][T15081] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.646128][T15081] ? vfs_writev+0xacb/0xe50 [ 387.646211][T15081] ? bpf_lsm_file_permission+0xd/0x20 [ 387.646265][T15081] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.646320][T15081] vfs_write+0x3c5/0xf90 [ 387.646394][T15081] ? __cfi_vfs_write+0x10/0x10 ** 43 printk messages dropped ** [ 387.695074][T15085] ? bpf_lsm_file_permission+0xd/0x20 [ 387.695128][T15085] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.695189][T15085] vfs_write+0x3c5/0xf90 [ 387.695263][T15085] ? __cfi_vfs_write+0x10/0x10 [ 387.695322][T15085] ? __kasan_check_write+0x18/0x20 [ 387.695386][T15085] ? mutex_lock+0x97/0x1d0 [ 387.695449][T15085] ? __cfi_mutex_lock+0x10/0x10 ** 60 printk messages dropped ** [ 387.785584][T15091] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e ** 67 printk messages dropped ** [ 387.886320][T15098] _copy_from_user+0x20/0xa0 [ 387.886396][T15098] kstrtouint_from_user+0xde/0x170 [ 387.886460][T15098] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.886517][T15098] ? selinux_file_permission+0x318/0xb60 [ 387.886592][T15098] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.886656][T15098] proc_fail_nth_write+0x8f/0x220 [ 387.886710][T15098] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 41 printk messages dropped ** [ 387.894462][T15092] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.894525][T15092] ? selinux_file_permission+0x318/0xb60 [ 387.894657][T15092] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.894713][T15092] proc_fail_nth_write+0x8f/0x220 [ 387.894776][T15092] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.894832][T15092] ? vfs_writev+0xacb/0xe50 [ 387.894916][T15092] ? bpf_lsm_file_permission+0xd/0x20 [ 387.894979][T15092] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.895034][T15092] vfs_write+0x3c5/0xf90 [ 387.895101][T15092] ? __cfi_vfs_write+0x10/0x10 ** 37 printk messages dropped ** [ 387.941030][T15093] kstrtouint_from_user+0xde/0x170 [ 387.941091][T15093] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 387.941153][T15093] ? selinux_file_permission+0x318/0xb60 [ 387.941212][T15093] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.941275][T15093] proc_fail_nth_write+0x8f/0x220 [ 387.941341][T15093] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.941396][T15093] ? vfs_writev+0xacb/0xe50 ** 41 printk messages dropped ** [ 387.969000][T15096] ? selinux_file_permission+0x318/0xb60 [ 387.969065][T15096] ? __cfi_selinux_file_permission+0x10/0x10 [ 387.969129][T15096] proc_fail_nth_write+0x8f/0x220 [ 387.969169][T15096] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.969225][T15096] ? vfs_writev+0xacb/0xe50 [ 387.969302][T15096] ? bpf_lsm_file_permission+0xd/0x20 [ 387.969349][T15096] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 387.969413][T15096] vfs_write+0x3c5/0xf90 [ 387.969487][T15096] ? __cfi_vfs_write+0x10/0x10 [ 387.969562][T15096] ? __kasan_check_write+0x18/0x20 [ 387.969635][T15096] ? mutex_lock+0x97/0x1d0 [ 387.969701][T15096] ? __cfi_mutex_lock+0x10/0x10 [ 387.969772][T15096] ? __fget_files+0x2c5/0x340 [ 387.969864][T15096] ksys_write+0x145/0x260 [ 387.969930][T15096] ? __cfi_ksys_write+0x10/0x10 ** 34 printk messages dropped ** [ 388.010074][T15100] proc_fail_nth_write+0x8f/0x220 [ 388.010130][T15100] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.010186][T15100] ? vfs_writev+0xacb/0xe50 [ 388.010407][T15100] ? bpf_lsm_file_permission+0xd/0x20 [ 388.010505][T15100] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.010542][T15100] vfs_write+0x3c5/0xf90 [ 388.010613][T15100] ? __cfi_vfs_write+0x10/0x10 [ 388.010687][T15100] ? __kasan_check_write+0x18/0x20 [ 388.010755][T15100] ? mutex_lock+0x97/0x1d0 [ 388.010838][T15100] ? __cfi_mutex_lock+0x10/0x10 [ 388.010904][T15100] ? __fget_files+0x2c5/0x340 ** 35 printk messages dropped ** [ 388.079233][T15106] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 388.079379][T15106] proc_fail_nth_write+0x8f/0x220 ** 43 printk messages dropped ** [ 388.137202][T15109] kstrtouint_from_user+0xde/0x170 [ 388.137265][T15109] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.137330][T15109] ? selinux_file_permission+0x318/0xb60 [ 388.137398][T15109] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.137461][T15109] proc_fail_nth_write+0x8f/0x220 [ 388.137524][T15109] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.137572][T15109] ? vfs_writev+0xacb/0xe50 [ 388.137650][T15109] ? bpf_lsm_file_permission+0xd/0x20 [ 388.137707][T15109] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.137768][T15109] vfs_write+0x3c5/0xf90 [ 388.137841][T15109] ? __cfi_vfs_write+0x10/0x10 ** 36 printk messages dropped ** [ 388.178534][T15102] kstrtouint_from_user+0xde/0x170 ** 45 printk messages dropped ** [ 388.181636][T15107] kstrtouint_from_user+0xde/0x170 [ 388.181699][T15107] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.181755][T15107] ? selinux_file_permission+0x318/0xb60 [ 388.181821][T15107] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.181885][T15107] proc_fail_nth_write+0x8f/0x220 [ 388.181940][T15107] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.182000][T15107] ? vfs_writev+0xacb/0xe50 [ 388.182048][T15107] ? bpf_lsm_file_permission+0xd/0x20 [ 388.182072][T15107] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.182095][T15107] vfs_write+0x3c5/0xf90 [ 388.182121][T15107] ? __cfi_vfs_write+0x10/0x10 [ 388.182207][T15107] ? __kasan_check_write+0x18/0x20 [ 388.182309][T15107] ? mutex_lock+0x97/0x1d0 [ 388.182381][T15107] ? __cfi_mutex_lock+0x10/0x10 [ 388.182446][T15107] ? __fget_files+0x2c5/0x340 [ 388.182532][T15107] ksys_write+0x145/0x260 [ 388.182610][T15107] ? __cfi_ksys_write+0x10/0x10 [ 388.182687][T15107] ? __kasan_check_read+0x15/0x20 [ 388.182752][T15107] __x64_sys_write+0x7f/0x90 [ 388.182818][T15107] x64_sys_call+0x271c/0x2ee0 ** 30 printk messages dropped ** [ 388.186110][T15110] proc_fail_nth_write+0x8f/0x220 ** 43 printk messages dropped ** [ 388.276306][T15115] kstrtouint_from_user+0xde/0x170 [ 388.276356][T15115] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.276419][T15115] ? selinux_file_permission+0x318/0xb60 [ 388.276484][T15115] ? __cfi_selinux_file_permission+0x10/0x10 ** 42 printk messages dropped ** [ 388.294634][T15112] _copy_from_user+0x20/0xa0 [ 388.294707][T15112] kstrtouint_from_user+0xde/0x170 [ 388.294772][T15112] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.294837][T15112] ? selinux_file_permission+0x318/0xb60 [ 388.294902][T15112] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.294964][T15112] proc_fail_nth_write+0x8f/0x220 [ 388.295038][T15112] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.295093][T15112] ? vfs_writev+0xacb/0xe50 [ 388.295192][T15112] ? bpf_lsm_file_permission+0xd/0x20 [ 388.295277][T15112] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.295319][T15112] vfs_write+0x3c5/0xf90 [ 388.295384][T15112] ? __cfi_vfs_write+0x10/0x10 [ 388.295458][T15112] ? __kasan_check_write+0x18/0x20 [ 388.295527][T15112] ? mutex_lock+0x97/0x1d0 [ 388.295591][T15112] ? __cfi_mutex_lock+0x10/0x10 [ 388.295657][T15112] ? __fget_files+0x2c5/0x340 [ 388.295742][T15112] ksys_write+0x145/0x260 [ 388.295807][T15112] ? __cfi_ksys_write+0x10/0x10 [ 388.295874][T15112] ? __kasan_check_read+0x15/0x20 [ 388.295939][T15112] __x64_sys_write+0x7f/0x90 [ 388.296011][T15112] x64_sys_call+0x271c/0x2ee0 [ 388.296080][T15112] do_syscall_64+0x57/0xf0 [ 388.296133][T15112] ? clear_bhb_loop+0x50/0xa0 [ 388.296196][T15112] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 388.296294][T15112] RIP: 0033:0x7f881f75a94e [ 388.296346][T15112] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 388.296399][T15112] RSP: 002b:00007f88205edfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 388.296463][T15112] RAX: ffffffffffffffda RBX: 00007f88205ee6c0 RCX: 00007f881f75a94e [ 388.296515][T15112] RDX: 0000000000000001 RSI: 00007f88205ee0a0 RDI: 0000000000000008 [ 388.296567][T15112] RBP: 00007f88205ee090 R08: 0000000000000000 R09: 0000000000000000 [ 388.296626][T15112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 388.296675][T15112] R13: 0000000000000000 R14: 00007f881f9c5fa0 R15: 00007ffca1af8a98 [ 388.296726][T15112] ** 20 printk messages dropped ** [ 388.302452][T15116] ? vfs_writev+0xacb/0xe50 [ 388.302538][T15116] ? bpf_lsm_file_permission+0xd/0x20 [ 388.302593][T15116] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.302649][T15116] vfs_write+0x3c5/0xf90 [ 388.302724][T15116] ? __cfi_vfs_write+0x10/0x10 [ 388.302789][T15116] ? __kasan_check_write+0x18/0x20 [ 388.302853][T15116] ? mutex_lock+0x97/0x1d0 [ 388.302919][T15116] ? __cfi_mutex_lock+0x10/0x10 [ 388.302993][T15116] ? __fget_files+0x2c5/0x340 [ 388.303071][T15116] ksys_write+0x145/0x260 [ 388.303144][T15116] ? __cfi_ksys_write+0x10/0x10 ** 50 printk messages dropped ** [ 388.402500][T15118] do_syscall_64+0x57/0xf0 ** 29 printk messages dropped ** [ 388.444538][T15121] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.444595][T15121] proc_fail_nth_write+0x8f/0x220 [ 388.444657][T15121] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.444711][T15121] ? vfs_writev+0xacb/0xe50 [ 388.444794][T15121] ? bpf_lsm_file_permission+0xd/0x20 [ 388.444855][T15121] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.444924][T15121] vfs_write+0x3c5/0xf90 [ 388.445019][T15121] ? __cfi_vfs_write+0x10/0x10 [ 388.445091][T15121] ? __kasan_check_write+0x18/0x20 [ 388.445157][T15121] ? mutex_lock+0x97/0x1d0 [ 388.445229][T15121] ? __cfi_mutex_lock+0x10/0x10 [ 388.445281][T15121] ? __fget_files+0x2c5/0x340 [ 388.445401][T15121] ksys_write+0x145/0x260 [ 388.445466][T15121] ? __cfi_ksys_write+0x10/0x10 [ 388.445541][T15121] ? __kasan_check_read+0x15/0x20 [ 388.445615][T15121] __x64_sys_write+0x7f/0x90 [ 388.445685][T15121] x64_sys_call+0x271c/0x2ee0 [ 388.445772][T15121] do_syscall_64+0x57/0xf0 [ 388.445827][T15121] ? clear_bhb_loop+0x50/0xa0 [ 388.445883][T15121] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 388.445970][T15121] RIP: 0033:0x7fccb0b5a94e ** 27 printk messages dropped ** [ 388.490845][T15122] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.490908][T15122] proc_fail_nth_write+0x8f/0x220 [ 388.490971][T15122] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.491025][T15122] ? vfs_writev+0xacb/0xe50 [ 388.491110][T15122] ? bpf_lsm_file_permission+0xd/0x20 [ 388.491163][T15122] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.491219][T15122] vfs_write+0x3c5/0xf90 [ 388.491295][T15122] ? __cfi_vfs_write+0x10/0x10 [ 388.491360][T15122] ? __kasan_check_write+0x18/0x20 ** 16 printk messages dropped ** [ 388.492547][T15122] RBP: 00007f88205ee090 R08: 0000000000000000 R09: 0000000000000000 ** 66 printk messages dropped ** [ 388.579960][T15129] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.580016][T15129] ? selinux_file_permission+0x318/0xb60 [ 388.580079][T15129] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.580136][T15129] proc_fail_nth_write+0x8f/0x220 [ 388.580199][T15129] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.580264][T15129] ? vfs_writev+0xacb/0xe50 [ 388.580350][T15129] ? bpf_lsm_file_permission+0xd/0x20 [ 388.580404][T15129] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.580459][T15129] vfs_write+0x3c5/0xf90 [ 388.580525][T15129] ? __cfi_vfs_write+0x10/0x10 [ 388.580595][T15129] ? __kasan_check_write+0x18/0x20 [ 388.580659][T15129] ? mutex_lock+0x97/0x1d0 [ 388.580730][T15129] ? __cfi_mutex_lock+0x10/0x10 [ 388.580781][T15129] ? __fget_files+0x2c5/0x340 [ 388.580846][T15129] ksys_write+0x145/0x260 [ 388.580912][T15129] ? __cfi_ksys_write+0x10/0x10 [ 388.580981][T15129] ? __kasan_check_read+0x15/0x20 [ 388.581055][T15129] __x64_sys_write+0x7f/0x90 [ 388.581163][T15129] x64_sys_call+0x271c/0x2ee0 ** 32 printk messages dropped ** [ 388.591641][T15126] ? vfs_writev+0xacb/0xe50 [ 388.591717][T15126] ? bpf_lsm_file_permission+0xd/0x20 [ 388.591771][T15126] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.591816][T15126] vfs_write+0x3c5/0xf90 [ 388.591841][T15126] ? __cfi_vfs_write+0x10/0x10 [ 388.591867][T15126] ? __kasan_check_write+0x18/0x20 [ 388.591891][T15126] ? mutex_lock+0x97/0x1d0 [ 388.591954][T15126] ? __cfi_mutex_lock+0x10/0x10 ** 37 printk messages dropped ** [ 388.662061][T15132] ? __cfi_selinux_file_permission+0x10/0x10 ** 44 printk messages dropped ** [ 388.695929][T15130] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.695992][T15130] ? selinux_file_permission+0x318/0xb60 [ 388.696051][T15130] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.696115][T15130] proc_fail_nth_write+0x8f/0x220 [ 388.696171][T15130] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.696239][T15130] ? vfs_writev+0xacb/0xe50 [ 388.696319][T15130] ? bpf_lsm_file_permission+0xd/0x20 [ 388.696383][T15130] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.696455][T15130] vfs_write+0x3c5/0xf90 [ 388.696524][T15130] ? __cfi_vfs_write+0x10/0x10 [ 388.696588][T15130] ? __kasan_check_write+0x18/0x20 [ 388.696662][T15130] ? mutex_lock+0x97/0x1d0 [ 388.696728][T15130] ? __cfi_mutex_lock+0x10/0x10 [ 388.696803][T15130] ? __fget_files+0x2c5/0x340 ** 34 printk messages dropped ** [ 388.699086][T15136] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.699151][T15136] proc_fail_nth_write+0x8f/0x220 [ 388.699207][T15136] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.699262][T15136] ? vfs_writev+0xacb/0xe50 [ 388.699340][T15136] ? bpf_lsm_file_permission+0xd/0x20 [ 388.699395][T15136] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.699469][T15136] vfs_write+0x3c5/0xf90 ** 20 printk messages dropped ** [ 388.700807][T15136] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 ** 19 printk messages dropped ** [ 388.754138][T15138] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.754212][T15138] proc_fail_nth_write+0x8f/0x220 [ 388.754274][T15138] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.754329][T15138] ? vfs_writev+0xacb/0xe50 [ 388.754413][T15138] ? bpf_lsm_file_permission+0xd/0x20 [ 388.754462][T15138] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 22 printk messages dropped ** [ 388.756321][T15138] ** 17 printk messages dropped ** [ 388.829364][T15144] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 388.829428][T15144] ? selinux_file_permission+0x318/0xb60 [ 388.829503][T15144] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.829567][T15144] proc_fail_nth_write+0x8f/0x220 [ 388.829609][T15144] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.829664][T15144] ? vfs_writev+0xacb/0xe50 [ 388.829735][T15144] ? bpf_lsm_file_permission+0xd/0x20 [ 388.829789][T15144] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.829851][T15144] vfs_write+0x3c5/0xf90 [ 388.829917][T15144] ? __cfi_vfs_write+0x10/0x10 [ 388.829990][T15144] ? __kasan_check_write+0x18/0x20 ** 38 printk messages dropped ** [ 388.867284][T15145] ? __cfi_selinux_file_permission+0x10/0x10 ** 45 printk messages dropped ** [ 388.870730][T15139] ? __cfi_selinux_file_permission+0x10/0x10 [ 388.870752][T15139] proc_fail_nth_write+0x8f/0x220 [ 388.870775][T15139] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.870798][T15139] ? vfs_writev+0xacb/0xe50 [ 388.870828][T15139] ? bpf_lsm_file_permission+0xd/0x20 [ 388.870848][T15139] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.870870][T15139] vfs_write+0x3c5/0xf90 [ 388.870897][T15139] ? __cfi_vfs_write+0x10/0x10 ** 39 printk messages dropped ** [ 388.883382][T15142] ? __cfi_selinux_file_permission+0x10/0x10 ** 2 printk messages dropped ** [ 388.883541][T15142] ? vfs_writev+0xacb/0xe50 [ 388.883624][T15142] ? bpf_lsm_file_permission+0xd/0x20 [ 388.883679][T15142] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 388.883733][T15142] vfs_write+0x3c5/0xf90 [ 388.883798][T15142] ? __cfi_vfs_write+0x10/0x10 [ 388.883862][T15142] ? __kasan_check_write+0x18/0x20 ** 1 printk messages dropped ** [ 388.884022][T15142] ? __cfi_mutex_lock+0x10/0x10 ** 39 printk messages dropped ** [ 388.917879][T15147] ? vfs_writev+0xacb/0xe50 [ 388.917963][T15147] ? bpf_lsm_file_permission+0xd/0x20 [ 388.918016][T15147] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 40 printk messages dropped ** [ 389.005296][T15149] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.005353][T15149] ? selinux_file_permission+0x318/0xb60 [ 389.005417][T15149] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.005489][T15149] proc_fail_nth_write+0x8f/0x220 [ 389.005553][T15149] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.005608][T15149] ? vfs_writev+0xacb/0xe50 [ 389.005693][T15149] ? bpf_lsm_file_permission+0xd/0x20 [ 389.005749][T15149] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.005811][T15149] vfs_write+0x3c5/0xf90 [ 389.005886][T15149] ? __cfi_vfs_write+0x10/0x10 [ 389.005962][T15149] ? __kasan_check_write+0x18/0x20 [ 389.006035][T15149] ? mutex_lock+0x97/0x1d0 [ 389.006107][T15149] ? __cfi_mutex_lock+0x10/0x10 [ 389.006180][T15149] ? __fget_files+0x2c5/0x340 [ 389.006259][T15149] ksys_write+0x145/0x260 [ 389.006325][T15149] ? __cfi_ksys_write+0x10/0x10 [ 389.006400][T15149] ? __kasan_check_read+0x15/0x20 [ 389.006476][T15149] __x64_sys_write+0x7f/0x90 [ 389.006547][T15149] x64_sys_call+0x271c/0x2ee0 [ 389.006576][T15149] do_syscall_64+0x57/0xf0 [ 389.006656][T15149] ? clear_bhb_loop+0x50/0xa0 [ 389.006737][T15149] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 27 printk messages dropped ** [ 389.041700][T15153] ? __cfi_selinux_file_permission+0x10/0x10 ** 45 printk messages dropped ** [ 389.079356][T15154] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.079427][T15154] proc_fail_nth_write+0x8f/0x220 [ 389.079487][T15154] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.079523][T15154] ? vfs_writev+0xacb/0xe50 [ 389.079609][T15154] ? bpf_lsm_file_permission+0xd/0x20 [ 389.079664][T15154] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.079712][T15154] vfs_write+0x3c5/0xf90 [ 389.079779][T15154] ? __cfi_vfs_write+0x10/0x10 [ 389.079851][T15154] ? __kasan_check_write+0x18/0x20 [ 389.079918][T15154] ? mutex_lock+0x97/0x1d0 [ 389.079956][T15154] ? __cfi_mutex_lock+0x10/0x10 [ 389.080032][T15154] ? __fget_files+0x2c5/0x340 [ 389.080116][T15154] ksys_write+0x145/0x260 ** 9 printk messages dropped ** [ 389.080812][T15154] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 25 printk messages dropped ** [ 389.149156][T15157] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.149221][T15157] proc_fail_nth_write+0x8f/0x220 [ 389.149358][T15157] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 42 printk messages dropped ** [ 389.212911][T15156] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.212966][T15156] ? selinux_file_permission+0x318/0xb60 [ 389.213040][T15156] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.213097][T15156] proc_fail_nth_write+0x8f/0x220 [ 389.213158][T15156] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.213213][T15156] ? vfs_writev+0xacb/0xe50 [ 389.213291][T15156] ? bpf_lsm_file_permission+0xd/0x20 ** 22 printk messages dropped ** [ 389.214791][T15156] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 ** 18 printk messages dropped ** [ 389.217547][T15161] ? __cfi_selinux_file_permission+0x10/0x10 ** 2 printk messages dropped ** [ 389.217719][T15161] ? vfs_writev+0xacb/0xe50 [ 389.217805][T15161] ? bpf_lsm_file_permission+0xd/0x20 [ 389.217858][T15161] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.217913][T15161] vfs_write+0x3c5/0xf90 [ 389.217985][T15161] ? __cfi_vfs_write+0x10/0x10 [ 389.218049][T15161] ? __kasan_check_write+0x18/0x20 [ 389.218121][T15161] ? mutex_lock+0x97/0x1d0 ** 18 printk messages dropped ** [ 389.219359][T15161] ** 18 printk messages dropped ** [ 389.282445][T15163] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.282513][T15163] proc_fail_nth_write+0x8f/0x220 [ 389.282570][T15163] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.282632][T15163] ? vfs_writev+0xacb/0xe50 [ 389.282722][T15163] ? bpf_lsm_file_permission+0xd/0x20 [ 389.282776][T15163] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.282804][T15163] vfs_write+0x3c5/0xf90 [ 389.282872][T15163] ? __cfi_vfs_write+0x10/0x10 [ 389.282937][T15163] ? __kasan_check_write+0x18/0x20 [ 389.283003][T15163] ? mutex_lock+0x97/0x1d0 [ 389.283069][T15163] ? __cfi_mutex_lock+0x10/0x10 [ 389.283144][T15163] ? __fget_files+0x2c5/0x340 ** 36 printk messages dropped ** [ 389.349493][T15164] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.349559][T15164] proc_fail_nth_write+0x8f/0x220 [ 389.349621][T15164] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.349675][T15164] ? vfs_writev+0xacb/0xe50 [ 389.349788][T15164] ? bpf_lsm_file_permission+0xd/0x20 [ 389.349863][T15164] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.349926][T15164] vfs_write+0x3c5/0xf90 [ 389.350001][T15164] ? __cfi_vfs_write+0x10/0x10 ** 39 printk messages dropped ** [ 389.377268][T15167] ? __cfi_selinux_file_permission+0x10/0x10 ** 44 printk messages dropped ** [ 389.417259][T15168] _copy_from_user+0x20/0xa0 [ 389.417326][T15168] kstrtouint_from_user+0xde/0x170 [ 389.417389][T15168] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.417466][T15168] ? selinux_file_permission+0x318/0xb60 [ 389.417529][T15168] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.417586][T15168] proc_fail_nth_write+0x8f/0x220 [ 389.417641][T15168] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.417706][T15168] ? vfs_writev+0xacb/0xe50 [ 389.417807][T15168] ? bpf_lsm_file_permission+0xd/0x20 [ 389.417880][T15168] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.417942][T15168] vfs_write+0x3c5/0xf90 [ 389.418009][T15168] ? __cfi_vfs_write+0x10/0x10 [ 389.418075][T15168] ? __kasan_check_write+0x18/0x20 [ 389.418141][T15168] ? mutex_lock+0x97/0x1d0 [ 389.418222][T15168] ? __cfi_mutex_lock+0x10/0x10 [ 389.418288][T15168] ? __fget_files+0x2c5/0x340 [ 389.418370][T15168] ksys_write+0x145/0x260 [ 389.418428][T15168] ? __cfi_ksys_write+0x10/0x10 ** 20 printk messages dropped ** [ 389.424372][T15170] dump_stack_lvl+0x140/0x1c0 ** 10 printk messages dropped ** [ 389.425116][T15170] ? selinux_file_permission+0x318/0xb60 [ 389.425190][T15170] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.425248][T15170] proc_fail_nth_write+0x8f/0x220 [ 389.425311][T15170] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 43 printk messages dropped ** [ 389.480331][T15172] ? selinux_file_permission+0x318/0xb60 [ 389.480397][T15172] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.480461][T15172] proc_fail_nth_write+0x8f/0x220 [ 389.480535][T15172] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.480591][T15172] ? vfs_writev+0xacb/0xe50 [ 389.480674][T15172] ? bpf_lsm_file_permission+0xd/0x20 [ 389.480730][T15172] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.480794][T15172] vfs_write+0x3c5/0xf90 ** 11 printk messages dropped ** [ 389.481724][T15172] ? clear_bhb_loop+0x50/0xa0 ** 25 printk messages dropped ** [ 389.526464][T15176] _copy_from_user+0x20/0xa0 [ 389.526547][T15176] kstrtouint_from_user+0xde/0x170 [ 389.526611][T15176] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.526667][T15176] ? selinux_file_permission+0x318/0xb60 [ 389.526741][T15176] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.526807][T15176] proc_fail_nth_write+0x8f/0x220 [ 389.526863][T15176] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 389.531207][T15179] proc_fail_nth_write+0x8f/0x220 ** 44 printk messages dropped ** [ 389.587672][T15180] ? selinux_file_permission+0x318/0xb60 [ 389.587757][T15180] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.587831][T15180] proc_fail_nth_write+0x8f/0x220 [ 389.587880][T15180] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.587942][T15180] ? vfs_writev+0xacb/0xe50 [ 389.588019][T15180] ? bpf_lsm_file_permission+0xd/0x20 [ 389.588073][T15180] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.588328][T15180] vfs_write+0x3c5/0xf90 [ 389.588418][T15180] ? __cfi_vfs_write+0x10/0x10 ** 38 printk messages dropped ** [ 389.633945][T15177] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 389.634073][T15177] proc_fail_nth_write+0x8f/0x220 [ 389.634128][T15177] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.634193][T15177] ? vfs_writev+0xacb/0xe50 [ 389.634278][T15177] ? bpf_lsm_file_permission+0xd/0x20 ** 18 printk messages dropped ** [ 389.635552][T15177] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e ** 20 printk messages dropped ** [ 389.709447][T15182] _copy_from_user+0x20/0xa0 [ 389.709522][T15182] kstrtouint_from_user+0xde/0x170 [ 389.709595][T15182] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.709672][T15182] ? selinux_file_permission+0x318/0xb60 [ 389.709743][T15182] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.709806][T15182] proc_fail_nth_write+0x8f/0x220 [ 389.709881][T15182] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.709934][T15182] ? vfs_writev+0xacb/0xe50 [ 389.710027][T15182] ? bpf_lsm_file_permission+0xd/0x20 [ 389.710075][T15182] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.710165][T15182] vfs_write+0x3c5/0xf90 [ 389.710233][T15182] ? __cfi_vfs_write+0x10/0x10 [ 389.710299][T15182] ? __kasan_check_write+0x18/0x20 [ 389.710373][T15182] ? mutex_lock+0x97/0x1d0 ** 37 printk messages dropped ** [ 389.725579][T15184] proc_fail_nth_write+0x8f/0x220 ** 42 printk messages dropped ** [ 389.794570][T15190] _copy_from_user+0x20/0xa0 [ 389.794645][T15190] kstrtouint_from_user+0xde/0x170 [ 389.794702][T15190] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.794757][T15190] ? selinux_file_permission+0x318/0xb60 [ 389.794822][T15190] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.794885][T15190] proc_fail_nth_write+0x8f/0x220 [ 389.794947][T15190] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.795001][T15190] ? vfs_writev+0xacb/0xe50 [ 389.795080][T15190] ? bpf_lsm_file_permission+0xd/0x20 [ 389.795101][T15190] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.795183][T15190] vfs_write+0x3c5/0xf90 [ 389.795263][T15190] ? __cfi_vfs_write+0x10/0x10 [ 389.795334][T15190] ? __kasan_check_write+0x18/0x20 [ 389.795399][T15190] ? mutex_lock+0x97/0x1d0 [ 389.795472][T15190] ? __cfi_mutex_lock+0x10/0x10 ** 33 printk messages dropped ** [ 389.836901][T15194] _copy_from_user+0x20/0xa0 [ 389.836990][T15194] kstrtouint_from_user+0xde/0x170 [ 389.837052][T15194] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.837122][T15194] ? selinux_file_permission+0x318/0xb60 [ 389.837185][T15194] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.837251][T15194] proc_fail_nth_write+0x8f/0x220 [ 389.837313][T15194] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.837370][T15194] ? vfs_writev+0xacb/0xe50 [ 389.837455][T15194] ? bpf_lsm_file_permission+0xd/0x20 [ 389.837510][T15194] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.837566][T15194] vfs_write+0x3c5/0xf90 ** 46 printk messages dropped ** [ 389.874862][T15186] vfs_write+0x3c5/0xf90 ** 36 printk messages dropped ** [ 389.877725][T15191] kstrtouint_from_user+0xde/0x170 [ 389.877781][T15191] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 389.877837][T15191] ? selinux_file_permission+0x318/0xb60 [ 389.877912][T15191] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.877975][T15191] proc_fail_nth_write+0x8f/0x220 [ 389.878059][T15191] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.878080][T15191] ? vfs_writev+0xacb/0xe50 [ 389.878111][T15191] ? bpf_lsm_file_permission+0xd/0x20 [ 389.878132][T15191] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.878154][T15191] vfs_write+0x3c5/0xf90 ** 18 printk messages dropped ** [ 389.879525][T15191] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 ** 21 printk messages dropped ** [ 389.885679][T15192] proc_fail_nth_write+0x8f/0x220 [ 389.885744][T15192] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.885799][T15192] ? vfs_writev+0xacb/0xe50 [ 389.885913][T15192] ? bpf_lsm_file_permission+0xd/0x20 [ 389.885980][T15192] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.886036][T15192] vfs_write+0x3c5/0xf90 [ 389.886102][T15192] ? __cfi_vfs_write+0x10/0x10 ** 7 printk messages dropped ** [ 389.886667][T15192] __x64_sys_write+0x7f/0x90 ** 30 printk messages dropped ** [ 389.926217][T15200] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 389.926339][T15200] proc_fail_nth_write+0x8f/0x220 [ 389.926416][T15200] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.926479][T15200] ? vfs_writev+0xacb/0xe50 ** 42 printk messages dropped ** [ 389.984431][T15196] ? selinux_file_permission+0x318/0xb60 [ 389.984512][T15196] ? __cfi_selinux_file_permission+0x10/0x10 [ 389.984594][T15196] proc_fail_nth_write+0x8f/0x220 [ 389.984667][T15196] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 389.984777][T15196] ? vfs_writev+0xacb/0xe50 [ 389.984855][T15196] ? bpf_lsm_file_permission+0xd/0x20 [ 389.984919][T15196] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 16 printk messages dropped ** [ 389.986131][T15196] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 68 printk messages dropped ** [ 390.105484][T15206] should_fail_usercopy+0x1e/0x30 [ 390.105555][T15206] _copy_from_user+0x20/0xa0 [ 390.105621][T15206] kstrtouint_from_user+0xde/0x170 [ 390.105685][T15206] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 390.105747][T15206] ? selinux_file_permission+0x318/0xb60 [ 390.105812][T15206] ? __cfi_selinux_file_permission+0x10/0x10 [ 390.105891][T15206] proc_fail_nth_write+0x8f/0x220 [ 390.105961][T15206] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.106025][T15206] ? vfs_writev+0xacb/0xe50 [ 390.106104][T15206] ? bpf_lsm_file_permission+0xd/0x20 [ 390.106162][T15206] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.106223][T15206] vfs_write+0x3c5/0xf90 [ 390.106290][T15206] ? __cfi_vfs_write+0x10/0x10 ** 13 printk messages dropped ** [ 390.107259][T15206] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 23 printk messages dropped ** [ 390.164299][T15207] ? __cfi_kstrtouint_from_user+0x10/0x10 ** 1 printk messages dropped ** [ 390.164414][T15207] ? __cfi_selinux_file_permission+0x10/0x10 ** 44 printk messages dropped ** [ 390.178011][T15198] ? __cfi_kstrtouint_from_user+0x10/0x10 ** 25 printk messages dropped ** [ 390.179875][T15198] RDX: 0000000000000001 RSI: 00007f88205ee0a0 RDI: 0000000000000008 ** 17 printk messages dropped ** [ 390.241539][T15210] should_fail_usercopy+0x1e/0x30 [ 390.241603][T15210] _copy_from_user+0x20/0xa0 [ 390.241679][T15210] kstrtouint_from_user+0xde/0x170 [ 390.241734][T15210] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 390.241797][T15210] ? selinux_file_permission+0x318/0xb60 [ 390.241863][T15210] ? __cfi_selinux_file_permission+0x10/0x10 [ 390.241927][T15210] proc_fail_nth_write+0x8f/0x220 [ 390.241989][T15210] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.242043][T15210] ? vfs_writev+0xacb/0xe50 [ 390.242254][T15210] ? bpf_lsm_file_permission+0xd/0x20 [ 390.242334][T15210] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.242401][T15210] vfs_write+0x3c5/0xf90 ** 40 printk messages dropped ** [ 390.249699][T15209] proc_fail_nth_write+0x8f/0x220 [ 390.249772][T15209] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.249847][T15209] ? vfs_writev+0xacb/0xe50 [ 390.249945][T15209] ? bpf_lsm_file_permission+0xd/0x20 [ 390.249999][T15209] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.250055][T15209] vfs_write+0x3c5/0xf90 [ 390.250145][T15209] ? __cfi_vfs_write+0x10/0x10 [ 390.250208][T15209] ? __kasan_check_write+0x18/0x20 [ 390.250272][T15209] ? mutex_lock+0x97/0x1d0 [ 390.250339][T15209] ? __cfi_mutex_lock+0x10/0x10 [ 390.250411][T15209] ? __fget_files+0x2c5/0x340 [ 390.250488][T15209] ksys_write+0x145/0x260 [ 390.250552][T15209] ? __cfi_ksys_write+0x10/0x10 ** 35 printk messages dropped ** [ 390.355013][T15213] proc_fail_nth_write+0x8f/0x220 [ 390.355078][T15213] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.355155][T15213] ? vfs_writev+0xacb/0xe50 [ 390.355253][T15213] ? bpf_lsm_file_permission+0xd/0x20 [ 390.355308][T15213] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.355366][T15213] vfs_write+0x3c5/0xf90 ** 17 printk messages dropped ** [ 390.356571][T15213] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 70 printk messages dropped ** [ 390.388135][T15218] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.388197][T15218] ? vfs_writev+0xacb/0xe50 [ 390.388283][T15218] ? bpf_lsm_file_permission+0xd/0x20 [ 390.388348][T15218] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.388422][T15218] vfs_write+0x3c5/0xf90 ** 16 printk messages dropped ** [ 390.389594][T15218] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 24 printk messages dropped ** [ 390.591076][T15216] ? selinux_file_permission+0x318/0xb60 [ 390.591141][T15216] ? __cfi_selinux_file_permission+0x10/0x10 ** 42 printk messages dropped ** [ 390.648428][T15221] _copy_from_user+0x20/0xa0 [ 390.648510][T15221] kstrtouint_from_user+0xde/0x170 [ 390.648568][T15221] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 390.648629][T15221] ? selinux_file_permission+0x318/0xb60 [ 390.648692][T15221] ? __cfi_selinux_file_permission+0x10/0x10 [ 390.648747][T15221] proc_fail_nth_write+0x8f/0x220 [ 390.648808][T15221] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.648861][T15221] ? vfs_writev+0xacb/0xe50 [ 390.648944][T15221] ? bpf_lsm_file_permission+0xd/0x20 [ 390.648996][T15221] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.649057][T15221] vfs_write+0x3c5/0xf90 [ 390.649121][T15221] ? __cfi_vfs_write+0x10/0x10 [ 390.649186][T15221] ? __kasan_check_write+0x18/0x20 [ 390.649260][T15221] ? mutex_lock+0x97/0x1d0 [ 390.649319][T15221] ? __cfi_mutex_lock+0x10/0x10 [ 390.649386][T15221] ? __fget_files+0x2c5/0x340 [ 390.649480][T15221] ksys_write+0x145/0x260 [ 390.649552][T15221] ? __cfi_ksys_write+0x10/0x10 [ 390.649621][T15221] ? __kasan_check_read+0x15/0x20 [ 390.649687][T15221] __x64_sys_write+0x7f/0x90 [ 390.649776][T15221] x64_sys_call+0x271c/0x2ee0 [ 390.649874][T15221] do_syscall_64+0x57/0xf0 ** 28 printk messages dropped ** [ 390.652164][T15223] ? __cfi_selinux_file_permission+0x10/0x10 [ 390.652221][T15223] proc_fail_nth_write+0x8f/0x220 [ 390.652277][T15223] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.652331][T15223] ? vfs_writev+0xacb/0xe50 [ 390.652436][T15223] ? bpf_lsm_file_permission+0xd/0x20 [ 390.652490][T15223] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.652551][T15223] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 390.764528][T15230] ? __cfi_selinux_file_permission+0x10/0x10 [ 390.764593][T15230] proc_fail_nth_write+0x8f/0x220 [ 390.764656][T15230] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.764711][T15230] ? vfs_writev+0xacb/0xe50 [ 390.764797][T15230] ? bpf_lsm_file_permission+0xd/0x20 [ 390.764851][T15230] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.764915][T15230] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 390.816773][T15231] proc_fail_nth_write+0x8f/0x220 [ 390.816835][T15231] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.816890][T15231] ? vfs_writev+0xacb/0xe50 [ 390.816975][T15231] ? bpf_lsm_file_permission+0xd/0x20 ** 1 printk messages dropped ** [ 390.817102][T15231] vfs_write+0x3c5/0xf90 ** 45 printk messages dropped ** [ 390.820129][T15227] vfs_write+0x3c5/0xf90 [ 390.820210][T15227] ? __cfi_vfs_write+0x10/0x10 [ 390.820276][T15227] ? __kasan_check_write+0x18/0x20 [ 390.820335][T15227] ? mutex_lock+0x97/0x1d0 [ 390.820402][T15227] ? __cfi_mutex_lock+0x10/0x10 [ 390.820469][T15227] ? __fget_files+0x2c5/0x340 [ 390.820552][T15227] ksys_write+0x145/0x260 [ 390.820620][T15227] ? __cfi_ksys_write+0x10/0x10 [ 390.820693][T15227] ? __kasan_check_read+0x15/0x20 [ 390.820752][T15227] __x64_sys_write+0x7f/0x90 [ 390.820825][T15227] x64_sys_call+0x271c/0x2ee0 [ 390.820901][T15227] do_syscall_64+0x57/0xf0 [ 390.820953][T15227] ? clear_bhb_loop+0x50/0xa0 [ 390.821009][T15227] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 390.821103][T15227] RIP: 0033:0x7fccb0b5a94e ** 32 printk messages dropped ** [ 390.923710][T15237] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 390.923765][T15237] vfs_write+0x3c5/0xf90 [ 390.923834][T15237] ? __cfi_vfs_write+0x10/0x10 [ 390.923900][T15237] ? __kasan_check_write+0x18/0x20 [ 390.923968][T15237] ? mutex_lock+0x97/0x1d0 [ 390.924034][T15237] ? __cfi_mutex_lock+0x10/0x10 [ 390.924211][T15237] ? __fget_files+0x2c5/0x340 [ 390.924354][T15237] ksys_write+0x145/0x260 [ 390.924433][T15237] ? __cfi_ksys_write+0x10/0x10 [ 390.924529][T15237] ? __kasan_check_read+0x15/0x20 [ 390.924594][T15237] __x64_sys_write+0x7f/0x90 [ 390.924676][T15237] x64_sys_call+0x271c/0x2ee0 [ 390.924753][T15237] do_syscall_64+0x57/0xf0 [ 390.924808][T15237] ? clear_bhb_loop+0x50/0xa0 [ 390.924863][T15237] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 390.924950][T15237] RIP: 0033:0x7f805455a94e [ 390.925002][T15237] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 390.925056][T15237] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 31 printk messages dropped ** [ 390.967718][T15236] ? __cfi_vfs_write+0x10/0x10 [ 390.967788][T15236] ? __kasan_check_write+0x18/0x20 [ 390.967852][T15236] ? mutex_lock+0x97/0x1d0 [ 390.967962][T15236] ? __cfi_mutex_lock+0x10/0x10 [ 390.968028][T15236] ? __fget_files+0x2c5/0x340 [ 390.968118][T15236] ksys_write+0x145/0x260 [ 390.968184][T15236] ? __cfi_ksys_write+0x10/0x10 ** 39 printk messages dropped ** [ 390.975171][T15233] ? __cfi_vfs_write+0x10/0x10 [ 390.975235][T15233] ? __kasan_check_write+0x18/0x20 [ 390.975302][T15233] ? mutex_lock+0x97/0x1d0 [ 390.975377][T15233] ? __cfi_mutex_lock+0x10/0x10 [ 390.975443][T15233] ? __fget_files+0x2c5/0x340 [ 390.975526][T15233] ksys_write+0x145/0x260 [ 390.975606][T15233] ? __cfi_ksys_write+0x10/0x10 [ 390.975678][T15233] ? __kasan_check_read+0x15/0x20 [ 390.975750][T15233] __x64_sys_write+0x7f/0x90 [ 390.975816][T15233] x64_sys_call+0x271c/0x2ee0 [ 390.975900][T15233] do_syscall_64+0x57/0xf0 [ 390.975947][T15233] ? clear_bhb_loop+0x50/0xa0 [ 390.976015][T15233] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 390.976110][T15233] RIP: 0033:0x7f2682f5a94e [ 390.976175][T15233] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 390.976235][T15233] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.976299][T15233] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 390.976352][T15233] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 390.976388][T15233] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 390.976429][T15233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 390.976470][T15233] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 390.976515][T15233] [ 391.036349][T15243] FAULT_INJECTION: forcing a failure. [ 391.036349][T15243] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 391.051175][T15239] CPU: 1 UID: 0 PID: 15239 Comm: syz.5.7142 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 [ 391.051267][T15239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 391.051309][T15239] Call Trace: ** 10 printk messages dropped ** [ 391.051968][T15239] _copy_from_user+0x20/0xa0 ** 17 printk messages dropped ** [ 391.053203][T15239] ? __kasan_check_read+0x15/0x20 [ 391.053270][T15239] __x64_sys_write+0x7f/0x90 [ 391.053341][T15239] x64_sys_call+0x271c/0x2ee0 [ 391.053417][T15239] do_syscall_64+0x57/0xf0 [ 391.053472][T15239] ? clear_bhb_loop+0x50/0xa0 ** 42 printk messages dropped ** [ 391.095837][T15243] ? __kasan_check_read+0x15/0x20 [ 391.095929][T15243] __x64_sys_write+0x7f/0x90 [ 391.096012][T15243] x64_sys_call+0x271c/0x2ee0 [ 391.096075][T15243] do_syscall_64+0x57/0xf0 [ 391.096129][T15243] ? clear_bhb_loop+0x50/0xa0 [ 391.096184][T15243] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.096271][T15243] RIP: 0033:0x7fccb0b5a94e ** 25 printk messages dropped ** [ 391.142019][T15245] ? selinux_file_permission+0x318/0xb60 ** 16 printk messages dropped ** [ 391.143002][T15245] x64_sys_call+0x271c/0x2ee0 ** 42 printk messages dropped ** [ 391.207617][T15249] ? __fget_files+0x2c5/0x340 [ 391.207696][T15249] ksys_write+0x145/0x260 [ 391.207786][T15249] ? __cfi_ksys_write+0x10/0x10 [ 391.207852][T15249] ? __kasan_check_read+0x15/0x20 [ 391.207916][T15249] __x64_sys_write+0x7f/0x90 [ 391.207988][T15249] x64_sys_call+0x271c/0x2ee0 [ 391.208073][T15249] do_syscall_64+0x57/0xf0 ** 42 printk messages dropped ** [ 391.215469][T15242] ? __kasan_check_read+0x15/0x20 [ 391.215534][T15242] __x64_sys_write+0x7f/0x90 [ 391.215599][T15242] x64_sys_call+0x271c/0x2ee0 [ 391.215685][T15242] do_syscall_64+0x57/0xf0 [ 391.215749][T15242] ? clear_bhb_loop+0x50/0xa0 [ 391.215813][T15242] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 12 printk messages dropped ** [ 391.260370][T15250] Call Trace: ** 28 printk messages dropped ** [ 391.262338][T15250] ? __kasan_check_read+0x15/0x20 [ 391.262404][T15250] __x64_sys_write+0x7f/0x90 [ 391.262470][T15250] x64_sys_call+0x271c/0x2ee0 [ 391.262553][T15250] do_syscall_64+0x57/0xf0 [ 391.262607][T15250] ? clear_bhb_loop+0x50/0xa0 [ 391.262676][T15250] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.262791][T15250] RIP: 0033:0x7f805455a94e [ 391.262845][T15250] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.262897][T15250] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.262962][T15250] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 391.263006][T15250] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 ** 41 printk messages dropped ** [ 391.309510][T15254] ? clear_bhb_loop+0x50/0xa0 [ 391.309572][T15254] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.309656][T15254] RIP: 0033:0x7f2682f5a94e [ 391.309712][T15254] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.309764][T15254] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 5 printk messages dropped ** [ 391.310038][T15254] ** 37 printk messages dropped ** [ 391.332486][T15253] RIP: 0033:0x7fccb0b5a94e ** 42 printk messages dropped ** [ 391.448875][T15256] __x64_sys_write+0x7f/0x90 [ 391.448949][T15256] x64_sys_call+0x271c/0x2ee0 [ 391.449024][T15256] do_syscall_64+0x57/0xf0 [ 391.449087][T15256] ? clear_bhb_loop+0x50/0xa0 [ 391.449143][T15256] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.449229][T15256] RIP: 0033:0x7f805455a94e [ 391.449281][T15256] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.449327][T15256] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.449402][T15256] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 40 printk messages dropped ** [ 391.452586][T15258] ? clear_bhb_loop+0x50/0xa0 [ 391.452649][T15258] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.452737][T15258] RIP: 0033:0x7f2682f5a94e [ 391.452781][T15258] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.452849][T15258] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.452930][T15258] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 39 printk messages dropped ** [ 391.529180][T15263] __x64_sys_write+0x7f/0x90 [ 391.529300][T15263] x64_sys_call+0x271c/0x2ee0 [ 391.529376][T15263] do_syscall_64+0x57/0xf0 [ 391.529432][T15263] ? clear_bhb_loop+0x50/0xa0 [ 391.529488][T15263] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.529596][T15263] RIP: 0033:0x7f2682f5a94e [ 391.529665][T15263] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.529729][T15263] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.529793][T15263] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 391.529837][T15263] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 49 printk messages dropped ** [ 391.558018][T15261] ** 37 printk messages dropped ** [ 391.600965][T15265] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 43 printk messages dropped ** [ 391.659207][T15267] x64_sys_call+0x271c/0x2ee0 [ 391.659308][T15267] do_syscall_64+0x57/0xf0 [ 391.659378][T15267] ? clear_bhb_loop+0x50/0xa0 [ 391.659439][T15267] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.659525][T15267] RIP: 0033:0x7f2682f5a94e [ 391.659570][T15267] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.659623][T15267] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.659688][T15267] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 391.659724][T15267] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 391.659796][T15267] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 391.659831][T15267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 391.659871][T15267] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 391.659922][T15267] [ 391.712726][T15274] FAULT_INJECTION: forcing a failure. [ 391.712726][T15274] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 391.723320][T15275] FAULT_INJECTION: forcing a failure. [ 391.723320][T15275] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 36 printk messages dropped ** [ 391.728254][T15274] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.728336][T15274] RIP: 0033:0x7f2682f5a94e 2026/02/15 15:37:07 executed programs: 7200 [ 391.728399][T15274] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 43 printk messages dropped ** [ 391.774038][T15275] ? clear_bhb_loop+0x50/0xa0 ** 45 printk messages dropped ** [ 391.782433][T15269] ? clear_bhb_loop+0x50/0xa0 [ 391.782481][T15269] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 391.782565][T15269] RIP: 0033:0x7fccb0b5a94e [ 391.782618][T15269] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.782670][T15269] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.782727][T15269] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 391.782775][T15269] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 391.782810][T15269] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 391.782852][T15269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 391.782892][T15269] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 ** 40 printk messages dropped ** [ 391.879411][T15277] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.879456][T15277] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.879503][T15277] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 44 printk messages dropped ** [ 391.913460][T15281] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 391.913504][T15281] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.913568][T15281] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 391.913619][T15281] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 391.913661][T15281] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 391.913697][T15281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 391.913738][T15281] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 [ 391.913835][T15281] ** 2 printk messages dropped ** [ 391.959259][T15279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 91 printk messages dropped ** [ 392.008859][T15285] ** 38 printk messages dropped ** [ 392.013484][T15287] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 392.013542][T15287] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.013618][T15287] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.013671][T15287] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.013716][T15287] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.013760][T15287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.013802][T15287] R13: 0000000000000000 R14: 00007f80547c5fa0 R15: 00007ffc2566b628 [ 392.013855][T15287] [ 392.049376][T15290] FAULT_INJECTION: forcing a failure. [ 392.049376][T15290] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.065293][T15283] CPU: 0 UID: 0 PID: 15283 Comm: syz.1.7162 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 38 printk messages dropped ** [ 392.067953][T15283] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.068032][T15283] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.068076][T15283] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.068129][T15283] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.068172][T15283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.068207][T15283] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 392.068253][T15283] [ 392.072385][T15291] FAULT_INJECTION: forcing a failure. [ 392.072385][T15291] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.101633][T15290] CPU: 1 UID: 0 PID: 15290 Comm: syz.5.7166 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 38 printk messages dropped ** [ 392.104199][T15290] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.104257][T15290] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.104310][T15290] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.104352][T15290] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.104386][T15290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.104427][T15290] R13: 0000000000000000 R14: 00007f80547c5fa0 R15: 00007ffc2566b628 ** 42 printk messages dropped ** [ 392.189417][T15294] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.189497][T15294] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.189555][T15294] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.189602][T15294] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.189651][T15294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.189690][T15294] R13: 0000000000000000 R14: 00007f80547c5fa0 R15: 00007ffc2566b628 [ 392.189761][T15294] [ 392.194921][T15291] CPU: 0 UID: 0 PID: 15291 Comm: syz.2.7165 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 39 printk messages dropped ** [ 392.198083][T15291] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 392.198134][T15291] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 392.198198][T15291] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 392.198254][T15291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.198301][T15291] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 [ 392.198360][T15291] ** 41 printk messages dropped ** [ 392.279233][T15298] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 47 printk messages dropped ** [ 392.340600][T15295] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.340664][T15295] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.340714][T15295] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.340748][T15295] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.340789][T15295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.340831][T15295] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 392.340878][T15295] [ 392.341500][T15299] CPU: 1 UID: 0 PID: 15299 Comm: syz.5.7169 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 [ 392.341586][T15299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 392.341627][T15299] Call Trace: [ 392.341647][T15299] [ 392.341669][T15299] __dump_stack+0x21/0x30 [ 392.341715][T15299] dump_stack_lvl+0x140/0x1c0 ** 33 printk messages dropped ** [ 392.343968][T15299] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.344025][T15299] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.344075][T15299] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.344117][T15299] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.344152][T15299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 42 printk messages dropped ** [ 392.406604][T15301] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.406669][T15301] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 392.406719][T15301] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 392.406754][T15301] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 392.406795][T15301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.406828][T15301] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 [ 392.406881][T15301] [ 392.414973][T15305] FAULT_INJECTION: forcing a failure. [ 392.414973][T15305] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.455243][T15304] CPU: 1 UID: 0 PID: 15304 Comm: syz.5.7173 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 38 printk messages dropped ** [ 392.457880][T15304] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.457949][T15304] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 45 printk messages dropped ** [ 392.489569][T15305] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.489634][T15305] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.489687][T15305] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.489715][T15305] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.489757][T15305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.489798][T15305] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 392.489851][T15305] [ 392.517488][T15310] FAULT_INJECTION: forcing a failure. [ 392.517488][T15310] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 4 printk messages dropped ** [ 392.531904][T15310] ** 35 printk messages dropped ** [ 392.534205][T15310] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.534251][T15310] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.534306][T15310] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.534352][T15310] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.534395][T15310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.534429][T15310] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 392.534481][T15310] ** 2 printk messages dropped ** [ 392.552141][T15307] Call Trace: ** 83 printk messages dropped ** [ 392.628640][T15314] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.628704][T15314] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.628769][T15314] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.628817][T15314] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.628876][T15314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.628911][T15314] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 392.628964][T15314] [ 392.658646][T15317] FAULT_INJECTION: forcing a failure. [ 392.658646][T15317] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.660205][T15311] CPU: 1 UID: 0 PID: 15311 Comm: syz.5.7175 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 38 printk messages dropped ** [ 392.663032][T15311] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.663098][T15311] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.663136][T15311] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.663183][T15311] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.663219][T15311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.663262][T15311] R13: 0000000000000000 R14: 00007f80547c5fa0 R15: 00007ffc2566b628 [ 392.663308][T15311] [ 392.675236][T15315] CPU: 1 UID: 0 PID: 15315 Comm: syz.2.7177 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 39 printk messages dropped ** [ 392.678051][T15315] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 392.678098][T15315] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 392.678140][T15315] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 392.678175][T15315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.678229][T15315] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 [ 392.678282][T15315] [ 392.741640][T15320] FAULT_INJECTION: forcing a failure. [ 392.741640][T15320] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.751361][T15317] CPU: 0 UID: 0 PID: 15317 Comm: syz.1.7179 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 [ 392.751467][T15317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 37 printk messages dropped ** [ 392.754064][T15317] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.754128][T15317] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.754173][T15317] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 392.754208][T15317] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 392.754250][T15317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 43 printk messages dropped ** [ 392.839126][T15324] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 45 printk messages dropped ** [ 392.877253][T15320] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 392.877299][T15320] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.877365][T15320] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 392.877409][T15320] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 392.877450][T15320] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 ** 42 printk messages dropped ** [ 392.880258][T15321] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.880322][T15321] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e [ 392.880365][T15321] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 [ 392.880407][T15321] RBP: 00007f8055344090 R08: 0000000000000000 R09: 0000000000000000 [ 392.880448][T15321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.880483][T15321] R13: 0000000000000000 R14: 00007f80547c5fa0 R15: 00007ffc2566b628 [ 392.880534][T15321] [ 392.905292][T15328] FAULT_INJECTION: forcing a failure. [ 392.905292][T15328] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 39 printk messages dropped ** [ 392.918021][T15326] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.918085][T15326] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 392.918128][T15326] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 92 printk messages dropped ** [ 393.057876][T15333] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.057940][T15333] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 393.057983][T15333] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 393.058024][T15333] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 393.058066][T15333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 393.058107][T15333] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 393.058159][T15333] [ 393.085556][T15336] FAULT_INJECTION: forcing a failure. [ 393.085556][T15336] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 393.089031][T15225] bridge_slave_0: entered allmulticast mode [ 393.095023][T15336] CPU: 1 UID: 0 PID: 15336 Comm: syz.1.7188 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 [ 393.095106][T15336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 393.095148][T15336] Call Trace: [ 393.095170][T15336] [ 393.095185][T15336] __dump_stack+0x21/0x30 [ 393.095270][T15336] dump_stack_lvl+0x140/0x1c0 [ 393.095335][T15336] ? __cfi_dump_stack_lvl+0x10/0x10 ** 26 printk messages dropped ** [ 393.097225][T15336] __x64_sys_write+0x7f/0x90 ** 5 printk messages dropped ** [ 393.097608][T15336] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 393.097660][T15336] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.097724][T15336] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 44 printk messages dropped ** [ 393.137129][T15338] RIP: 0033:0x7f2682f5a94e [ 393.137185][T15338] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 393.137232][T15338] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.137297][T15338] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 393.137347][T15338] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 1 printk messages dropped ** [ 393.137424][T15338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 38 printk messages dropped ** [ 393.164603][T15334] do_syscall_64+0x57/0xf0 [ 393.164656][T15334] ? clear_bhb_loop+0x50/0xa0 ** 1 printk messages dropped ** [ 393.164840][T15334] RIP: 0033:0x7fccb0b5a94e [ 393.164892][T15334] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 48 printk messages dropped ** [ 393.242707][T15341] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 39 printk messages dropped ** [ 393.350301][T15332] __x64_sys_write+0x7f/0x90 [ 393.350389][T15332] x64_sys_call+0x271c/0x2ee0 [ 393.350465][T15332] do_syscall_64+0x57/0xf0 [ 393.350518][T15332] ? clear_bhb_loop+0x50/0xa0 [ 393.350580][T15332] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 393.350667][T15332] RIP: 0033:0x7f805455a94e [ 393.350720][T15332] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 393.350753][T15332] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.350771][T15332] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 49 printk messages dropped ** [ 393.390194][T15345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 33 printk messages dropped ** [ 393.572342][T15346] ? mutex_lock+0x97/0x1d0 [ 393.572408][T15346] ? __cfi_mutex_lock+0x10/0x10 [ 393.572473][T15346] ? __fget_files+0x2c5/0x340 [ 393.572564][T15346] ksys_write+0x145/0x260 [ 393.572638][T15346] ? __cfi_ksys_write+0x10/0x10 [ 393.572711][T15346] ? __kasan_check_read+0x15/0x20 [ 393.572775][T15346] __x64_sys_write+0x7f/0x90 [ 393.572857][T15346] x64_sys_call+0x271c/0x2ee0 [ 393.572941][T15346] do_syscall_64+0x57/0xf0 [ 393.572991][T15346] ? clear_bhb_loop+0x50/0xa0 [ 393.573012][T15346] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 393.573046][T15346] RIP: 0033:0x7fccb0b5a94e [ 393.573120][T15346] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 393.573188][T15346] RSP: 002b:00007fccb19b6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.573260][T15346] RAX: ffffffffffffffda RBX: 00007fccb19b76c0 RCX: 00007fccb0b5a94e ** 35 printk messages dropped ** [ 393.605464][T15349] ksys_write+0x145/0x260 [ 393.605530][T15349] ? __cfi_ksys_write+0x10/0x10 ** 40 printk messages dropped ** [ 393.643782][T15352] vfs_write+0x3c5/0xf90 [ 393.643848][T15352] ? __cfi_vfs_write+0x10/0x10 [ 393.643906][T15352] ? __kasan_check_write+0x18/0x20 [ 393.643980][T15352] ? mutex_lock+0x97/0x1d0 [ 393.644045][T15352] ? __cfi_mutex_lock+0x10/0x10 [ 393.644111][T15352] ? __fget_files+0x2c5/0x340 [ 393.644197][T15352] ksys_write+0x145/0x260 [ 393.644270][T15352] ? __cfi_ksys_write+0x10/0x10 [ 393.644343][T15352] ? __kasan_check_read+0x15/0x20 [ 393.644408][T15352] __x64_sys_write+0x7f/0x90 [ 393.644481][T15352] x64_sys_call+0x271c/0x2ee0 [ 393.644565][T15352] do_syscall_64+0x57/0xf0 [ 393.644626][T15352] ? clear_bhb_loop+0x50/0xa0 [ 393.644689][T15352] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 393.644771][T15352] RIP: 0033:0x7fccb0b5a94e [ 393.644791][T15352] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 37 printk messages dropped ** [ 393.659439][T15354] ? __cfi_ksys_write+0x10/0x10 [ 393.659526][T15354] ? __kasan_check_read+0x15/0x20 ** 1 printk messages dropped ** [ 393.659663][T15354] x64_sys_call+0x271c/0x2ee0 ** 87 printk messages dropped ** [ 393.730575][T15356] ? __cfi_mutex_lock+0x10/0x10 [ 393.730602][T15356] ? __fget_files+0x2c5/0x340 [ 393.730723][T15356] ksys_write+0x145/0x260 [ 393.730816][T15356] ? __cfi_ksys_write+0x10/0x10 [ 393.730876][T15356] ? __kasan_check_read+0x15/0x20 [ 393.730943][T15356] __x64_sys_write+0x7f/0x90 [ 393.731015][T15356] x64_sys_call+0x271c/0x2ee0 [ 393.731091][T15356] do_syscall_64+0x57/0xf0 [ 393.731148][T15356] ? clear_bhb_loop+0x50/0xa0 [ 393.731203][T15356] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 393.731299][T15356] RIP: 0033:0x7f2682f5a94e ** 35 printk messages dropped ** [ 393.815317][T15362] ? __switch_to_asm+0x3d/0x70 [ 393.815393][T15362] ? __cfi_vfs_write+0x10/0x10 [ 393.815456][T15362] ? __kasan_check_write+0x18/0x20 [ 393.815528][T15362] ? mutex_lock+0x97/0x1d0 [ 393.815592][T15362] ? __cfi_mutex_lock+0x10/0x10 [ 393.815665][T15362] ? __fget_files+0x2c5/0x340 [ 393.815742][T15362] ksys_write+0x145/0x260 [ 393.815807][T15362] ? xfd_validate_state+0x68/0x140 ** 8 printk messages dropped ** [ 393.816477][T15362] RIP: 0033:0x7f2682f5a94e ** 30 printk messages dropped ** [ 393.865468][T15358] ? bpf_lsm_file_permission+0xd/0x20 [ 393.865530][T15358] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 393.865586][T15358] vfs_write+0x3c5/0xf90 [ 393.865660][T15358] ? __cfi_vfs_write+0x10/0x10 [ 393.865723][T15358] ? __kasan_check_write+0x18/0x20 [ 393.865797][T15358] ? mutex_lock+0x97/0x1d0 [ 393.865862][T15358] ? __cfi_mutex_lock+0x10/0x10 [ 393.865924][T15358] ? __fget_files+0x2c5/0x340 ** 40 printk messages dropped ** [ 393.873546][T15360] vfs_write+0x3c5/0xf90 [ 393.873620][T15360] ? __cfi_vfs_write+0x10/0x10 [ 393.873691][T15360] ? __kasan_check_write+0x18/0x20 [ 393.873755][T15360] ? mutex_lock+0x97/0x1d0 [ 393.873820][T15360] ? __cfi_mutex_lock+0x10/0x10 [ 393.873878][T15360] ? __fget_files+0x2c5/0x340 [ 393.873987][T15360] ksys_write+0x145/0x260 [ 393.874072][T15360] ? __cfi_ksys_write+0x10/0x10 [ 393.874146][T15360] ? __kasan_check_read+0x15/0x20 [ 393.874211][T15360] __x64_sys_write+0x7f/0x90 [ 393.874284][T15360] x64_sys_call+0x271c/0x2ee0 [ 393.874359][T15360] do_syscall_64+0x57/0xf0 ** 5 printk messages dropped ** [ 393.874722][T15360] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e ** 29 printk messages dropped ** [ 393.945496][T15364] vfs_write+0x3c5/0xf90 ** 2 printk messages dropped ** [ 393.945693][T15364] ? mutex_lock+0x97/0x1d0 [ 393.945773][T15364] ? __cfi_mutex_lock+0x10/0x10 ** 42 printk messages dropped ** [ 393.998186][T15366] vfs_write+0x3c5/0xf90 [ 393.998259][T15366] ? __cfi_vfs_write+0x10/0x10 [ 393.998322][T15366] ? __kasan_check_write+0x18/0x20 [ 393.998388][T15366] ? mutex_lock+0x97/0x1d0 [ 393.998453][T15366] ? __cfi_mutex_lock+0x10/0x10 [ 393.998518][T15366] ? __fget_files+0x2c5/0x340 [ 393.998602][T15366] ksys_write+0x145/0x260 [ 393.998693][T15366] ? __cfi_ksys_write+0x10/0x10 [ 393.998766][T15366] ? __kasan_check_read+0x15/0x20 [ 393.998859][T15366] __x64_sys_write+0x7f/0x90 [ 393.998955][T15366] x64_sys_call+0x271c/0x2ee0 ** 6 printk messages dropped ** [ 393.999400][T15366] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 27 printk messages dropped ** [ 394.073452][T15372] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.073549][T15372] ? vfs_writev+0xacb/0xe50 [ 394.073648][T15372] ? bpf_lsm_file_permission+0xd/0x20 [ 394.073705][T15372] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.073766][T15372] vfs_write+0x3c5/0xf90 [ 394.073842][T15372] ? __cfi_vfs_write+0x10/0x10 [ 394.073907][T15372] ? __kasan_check_write+0x18/0x20 ** 42 printk messages dropped ** [ 394.080865][T15371] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.080928][T15371] vfs_write+0x3c5/0xf90 [ 394.081001][T15371] ? __cfi_vfs_write+0x10/0x10 [ 394.081066][T15371] ? __kasan_check_write+0x18/0x20 [ 394.081142][T15371] ? mutex_lock+0x97/0x1d0 [ 394.081214][T15371] ? __cfi_mutex_lock+0x10/0x10 [ 394.081282][T15371] ? __fget_files+0x2c5/0x340 ** 38 printk messages dropped ** [ 394.091494][T15368] ? bpf_lsm_file_permission+0xd/0x20 ** 5 printk messages dropped ** [ 394.091867][T15368] ? __cfi_mutex_lock+0x10/0x10 [ 394.091937][T15368] ? __fget_files+0x2c5/0x340 [ 394.092022][T15368] ksys_write+0x145/0x260 [ 394.092111][T15368] ? __cfi_ksys_write+0x10/0x10 [ 394.092200][T15368] ? __kasan_check_read+0x15/0x20 ** 39 printk messages dropped ** [ 394.219749][T15376] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 45 printk messages dropped ** [ 394.237440][T15374] ? bpf_lsm_file_permission+0xd/0x20 [ 394.237495][T15374] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.237557][T15374] vfs_write+0x3c5/0xf90 [ 394.237631][T15374] ? __cfi_vfs_write+0x10/0x10 [ 394.237696][T15374] ? __kasan_check_write+0x18/0x20 [ 394.237762][T15374] ? mutex_lock+0x97/0x1d0 [ 394.237829][T15374] ? __cfi_mutex_lock+0x10/0x10 [ 394.237894][T15374] ? __fget_files+0x2c5/0x340 [ 394.237979][T15374] ksys_write+0x145/0x260 [ 394.238045][T15374] ? __cfi_ksys_write+0x10/0x10 [ 394.238151][T15374] ? __kasan_check_read+0x15/0x20 [ 394.238238][T15374] __x64_sys_write+0x7f/0x90 [ 394.238291][T15374] x64_sys_call+0x271c/0x2ee0 [ 394.238374][T15374] do_syscall_64+0x57/0xf0 ** 5 printk messages dropped ** [ 394.238758][T15374] RAX: ffffffffffffffda RBX: 00007f80553446c0 RCX: 00007f805455a94e ** 29 printk messages dropped ** [ 394.261719][T15378] ? __cfi_vfs_write+0x10/0x10 [ 394.261784][T15378] ? __kasan_check_write+0x18/0x20 [ 394.261844][T15378] ? mutex_lock+0x97/0x1d0 [ 394.261916][T15378] ? __cfi_mutex_lock+0x10/0x10 ** 39 printk messages dropped ** [ 394.346083][T15380] proc_fail_nth_write+0x8f/0x220 [ 394.346139][T15380] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.346203][T15380] ? bpf_lsm_file_permission+0xd/0x20 [ 394.346260][T15380] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.346316][T15380] vfs_write+0x3c5/0xf90 [ 394.346390][T15380] ? __cfi_vfs_write+0x10/0x10 [ 394.346455][T15380] ? __kasan_check_write+0x18/0x20 [ 394.346519][T15380] ? mutex_lock+0x97/0x1d0 ** 17 printk messages dropped ** [ 394.347721][T15380] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 ** 21 printk messages dropped ** [ 394.387372][T15384] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.387429][T15384] ? vfs_writev+0xacb/0xe50 [ 394.387514][T15384] ? bpf_lsm_file_permission+0xd/0x20 [ 394.387569][T15384] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.387623][T15384] vfs_write+0x3c5/0xf90 [ 394.387697][T15384] ? __cfi_vfs_write+0x10/0x10 [ 394.387763][T15384] ? __kasan_check_write+0x18/0x20 [ 394.387847][T15384] ? mutex_lock+0x97/0x1d0 [ 394.387942][T15384] ? __cfi_mutex_lock+0x10/0x10 [ 394.388009][T15384] ? __fget_files+0x2c5/0x340 ** 10 printk messages dropped ** [ 394.388764][T15384] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 27 printk messages dropped ** [ 394.466984][T15386] ? __cfi_selinux_file_permission+0x10/0x10 [ 394.467072][T15386] proc_fail_nth_write+0x8f/0x220 [ 394.467135][T15386] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.467190][T15386] ? vfs_writev+0xacb/0xe50 [ 394.467277][T15386] ? bpf_lsm_file_permission+0xd/0x20 ** 43 printk messages dropped ** [ 394.477414][T15388] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.477470][T15388] ? vfs_writev+0xacb/0xe50 [ 394.477554][T15388] ? bpf_lsm_file_permission+0xd/0x20 [ 394.477609][T15388] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.477642][T15388] vfs_write+0x3c5/0xf90 [ 394.477688][T15388] ? __cfi_vfs_write+0x10/0x10 [ 394.477765][T15388] ? __kasan_check_write+0x18/0x20 [ 394.477869][T15388] ? mutex_lock+0x97/0x1d0 [ 394.477963][T15388] ? __cfi_mutex_lock+0x10/0x10 [ 394.478051][T15388] ? __fget_files+0x2c5/0x340 [ 394.478130][T15388] ksys_write+0x145/0x260 ** 38 printk messages dropped ** [ 394.480382][T15382] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.480436][T15382] vfs_write+0x3c5/0xf90 [ 394.480510][T15382] ? __cfi_vfs_write+0x10/0x10 [ 394.480578][T15382] ? __kasan_check_write+0x18/0x20 [ 394.480645][T15382] ? mutex_lock+0x97/0x1d0 [ 394.480708][T15382] ? __cfi_mutex_lock+0x10/0x10 ** 40 printk messages dropped ** [ 394.583958][T15390] ? vfs_writev+0xacb/0xe50 [ 394.584042][T15390] ? bpf_lsm_file_permission+0xd/0x20 [ 394.584103][T15390] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.584173][T15390] vfs_write+0x3c5/0xf90 [ 394.584260][T15390] ? __cfi_vfs_write+0x10/0x10 [ 394.584338][T15390] ? __kasan_check_write+0x18/0x20 [ 394.584411][T15390] ? mutex_lock+0x97/0x1d0 [ 394.584486][T15390] ? __cfi_mutex_lock+0x10/0x10 [ 394.584561][T15390] ? __fget_files+0x2c5/0x340 ** 37 printk messages dropped ** [ 394.664315][T15393] proc_fail_nth_write+0x8f/0x220 [ 394.664377][T15393] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.664433][T15393] ? vfs_writev+0xacb/0xe50 [ 394.664518][T15393] ? bpf_lsm_file_permission+0xd/0x20 [ 394.664574][T15393] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.664637][T15393] vfs_write+0x3c5/0xf90 [ 394.664738][T15393] ? __cfi_vfs_write+0x10/0x10 ** 20 printk messages dropped ** [ 394.666142][T15393] ** 19 printk messages dropped ** [ 394.714166][T15395] proc_fail_nth_write+0x8f/0x220 [ 394.714229][T15395] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.714290][T15395] ? vfs_writev+0xacb/0xe50 [ 394.714366][T15395] ? bpf_lsm_file_permission+0xd/0x20 [ 394.714431][T15395] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.714486][T15395] vfs_write+0x3c5/0xf90 [ 394.714560][T15395] ? __cfi_vfs_write+0x10/0x10 [ 394.714625][T15395] ? __kasan_check_write+0x18/0x20 [ 394.714697][T15395] ? mutex_lock+0x97/0x1d0 ** 37 printk messages dropped ** [ 394.775193][T15398] ? selinux_file_permission+0x318/0xb60 [ 394.775257][T15398] ? __cfi_selinux_file_permission+0x10/0x10 [ 394.775320][T15398] proc_fail_nth_write+0x8f/0x220 [ 394.775375][T15398] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.775438][T15398] ? vfs_writev+0xacb/0xe50 [ 394.775521][T15398] ? bpf_lsm_file_permission+0xd/0x20 [ 394.775563][T15398] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.775617][T15398] vfs_write+0x3c5/0xf90 [ 394.775704][T15398] ? __cfi_vfs_write+0x10/0x10 [ 394.775789][T15398] ? __kasan_check_write+0x18/0x20 [ 394.775895][T15398] ? mutex_lock+0x97/0x1d0 [ 394.775960][T15398] ? __cfi_mutex_lock+0x10/0x10 [ 394.776025][T15398] ? __fget_files+0x2c5/0x340 [ 394.776067][T15398] ksys_write+0x145/0x260 ** 12 printk messages dropped ** [ 394.776915][T15398] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 ** 22 printk messages dropped ** [ 394.830311][T15396] proc_fail_nth_write+0x8f/0x220 [ 394.830374][T15396] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.830430][T15396] ? vfs_writev+0xacb/0xe50 [ 394.830516][T15396] ? bpf_lsm_file_permission+0xd/0x20 [ 394.830592][T15396] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.830647][T15396] vfs_write+0x3c5/0xf90 [ 394.830728][T15396] ? __cfi_vfs_write+0x10/0x10 [ 394.830801][T15396] ? __kasan_check_write+0x18/0x20 [ 394.830879][T15396] ? mutex_lock+0x97/0x1d0 [ 394.830944][T15396] ? __cfi_mutex_lock+0x10/0x10 ** 38 printk messages dropped ** [ 394.835654][T15400] ? vfs_writev+0xacb/0xe50 [ 394.835748][T15400] ? bpf_lsm_file_permission+0xd/0x20 ** 22 printk messages dropped ** [ 394.837287][T15400] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 ** 20 printk messages dropped ** [ 394.933924][T15402] proc_fail_nth_write+0x8f/0x220 [ 394.933988][T15402] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.934059][T15402] ? vfs_writev+0xacb/0xe50 [ 394.934148][T15402] ? bpf_lsm_file_permission+0xd/0x20 [ 394.934208][T15402] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.934264][T15402] vfs_write+0x3c5/0xf90 [ 394.934336][T15402] ? __cfi_vfs_write+0x10/0x10 [ 394.934401][T15402] ? __kasan_check_write+0x18/0x20 [ 394.934465][T15402] ? mutex_lock+0x97/0x1d0 ** 20 printk messages dropped ** [ 394.973620][T15406] CPU: 1 UID: 0 PID: 15406 Comm: syz.5.7221 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 19 printk messages dropped ** [ 394.974948][T15406] ? vfs_writev+0xacb/0xe50 [ 394.975043][T15406] ? bpf_lsm_file_permission+0xd/0x20 [ 394.975098][T15406] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 394.975160][T15406] vfs_write+0x3c5/0xf90 [ 394.975234][T15406] ? __cfi_vfs_write+0x10/0x10 [ 394.975299][T15406] ? __kasan_check_write+0x18/0x20 [ 394.975364][T15406] ? mutex_lock+0x97/0x1d0 [ 394.975436][T15406] ? __cfi_mutex_lock+0x10/0x10 [ 394.975502][T15406] ? __fget_files+0x2c5/0x340 [ 394.975588][T15406] ksys_write+0x145/0x260 [ 394.975660][T15406] ? xfd_validate_state+0x68/0x140 [ 394.975722][T15406] ? __cfi_ksys_write+0x10/0x10 ** 33 printk messages dropped ** [ 395.051040][T15408] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.051104][T15408] proc_fail_nth_write+0x8f/0x220 [ 395.051168][T15408] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.051224][T15408] ? vfs_writev+0xacb/0xe50 [ 395.051309][T15408] ? bpf_lsm_file_permission+0xd/0x20 [ 395.051363][T15408] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.051430][T15408] vfs_write+0x3c5/0xf90 [ 395.051504][T15408] ? __cfi_vfs_write+0x10/0x10 [ 395.051574][T15408] ? __kasan_check_write+0x18/0x20 [ 395.051640][T15408] ? mutex_lock+0x97/0x1d0 [ 395.051706][T15408] ? __cfi_mutex_lock+0x10/0x10 [ 395.051782][T15408] ? __fget_files+0x2c5/0x340 [ 395.051882][T15408] ksys_write+0x145/0x260 [ 395.051976][T15408] ? __cfi_ksys_write+0x10/0x10 [ 395.052049][T15408] ? __kasan_check_read+0x15/0x20 [ 395.052122][T15408] __x64_sys_write+0x7f/0x90 [ 395.052187][T15408] x64_sys_call+0x271c/0x2ee0 [ 395.052263][T15408] do_syscall_64+0x57/0xf0 [ 395.052316][T15408] ? clear_bhb_loop+0x50/0xa0 [ 395.052378][T15408] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 395.052464][T15408] RIP: 0033:0x7fccb0b5a94e [ 395.052520][T15408] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 395.052580][T15408] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 395.052639][T15408] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 395.052692][T15408] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 395.052740][T15408] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 [ 395.052769][T15408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 22 printk messages dropped ** [ 395.077407][T15410] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 17 printk messages dropped ** [ 395.078713][T15410] RIP: 0033:0x7f805455a94e ** 26 printk messages dropped ** [ 395.150128][T15405] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.150151][T15405] proc_fail_nth_write+0x8f/0x220 [ 395.150207][T15405] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.150291][T15405] ? vfs_writev+0xacb/0xe50 [ 395.150384][T15405] ? bpf_lsm_file_permission+0xd/0x20 [ 395.150438][T15405] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.150503][T15405] vfs_write+0x3c5/0xf90 ** 39 printk messages dropped ** [ 395.211700][T15416] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 395.211783][T15416] ? selinux_file_permission+0x318/0xb60 [ 395.211842][T15416] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.211905][T15416] proc_fail_nth_write+0x8f/0x220 [ 395.211969][T15416] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.212025][T15416] ? vfs_writev+0xacb/0xe50 [ 395.212127][T15416] ? bpf_lsm_file_permission+0xd/0x20 [ 395.212183][T15416] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.212245][T15416] vfs_write+0x3c5/0xf90 ** 39 printk messages dropped ** [ 395.215636][T15412] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 395.215759][T15412] proc_fail_nth_write+0x8f/0x220 [ 395.215818][T15412] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.215896][T15412] ? vfs_writev+0xacb/0xe50 [ 395.216003][T15412] ? bpf_lsm_file_permission+0xd/0x20 [ 395.216067][T15412] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.216129][T15412] vfs_write+0x3c5/0xf90 [ 395.216203][T15412] ? __cfi_vfs_write+0x10/0x10 [ 395.216269][T15412] ? __kasan_check_write+0x18/0x20 [ 395.216335][T15412] ? mutex_lock+0x97/0x1d0 [ 395.216408][T15412] ? __cfi_mutex_lock+0x10/0x10 [ 395.216473][T15412] ? __fget_files+0x2c5/0x340 [ 395.216550][T15412] ksys_write+0x145/0x260 [ 395.216615][T15412] ? __cfi_ksys_write+0x10/0x10 [ 395.216688][T15412] ? __kasan_check_read+0x15/0x20 [ 395.216755][T15412] __x64_sys_write+0x7f/0x90 [ 395.216829][T15412] x64_sys_call+0x271c/0x2ee0 [ 395.216915][T15412] do_syscall_64+0x57/0xf0 [ 395.216971][T15412] ? clear_bhb_loop+0x50/0xa0 [ 395.217034][T15412] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 395.217129][T15412] RIP: 0033:0x7fccb0b5a94e [ 395.217173][T15412] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 395.217234][T15412] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 25 printk messages dropped ** [ 395.295114][T15414] proc_fail_nth_write+0x8f/0x220 [ 395.295176][T15414] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.295231][T15414] ? vfs_writev+0xacb/0xe50 [ 395.295309][T15414] ? bpf_lsm_file_permission+0xd/0x20 [ 395.295372][T15414] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 18 printk messages dropped ** [ 395.296647][T15414] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 ** 23 printk messages dropped ** [ 395.363587][T15418] proc_fail_nth_write+0x8f/0x220 ** 16 printk messages dropped ** [ 395.364780][T15418] ? clear_bhb_loop+0x50/0xa0 ** 27 printk messages dropped ** [ 395.446468][T15420] ? selinux_file_permission+0x318/0xb60 [ 395.446543][T15420] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.446613][T15420] proc_fail_nth_write+0x8f/0x220 [ 395.446630][T15420] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.446646][T15420] ? vfs_writev+0xacb/0xe50 [ 395.446733][T15420] ? bpf_lsm_file_permission+0xd/0x20 [ 395.446820][T15420] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.446897][T15420] vfs_write+0x3c5/0xf90 [ 395.446964][T15420] ? __cfi_vfs_write+0x10/0x10 [ 395.447040][T15420] ? __kasan_check_write+0x18/0x20 ** 15 printk messages dropped ** [ 395.448126][T15420] RDX: 0000000000000001 RSI: 00007f80553440a0 RDI: 0000000000000008 ** 20 printk messages dropped ** [ 395.487830][T15424] kstrtouint_from_user+0xde/0x170 ** 1 printk messages dropped ** [ 395.487948][T15424] ? selinux_file_permission+0x318/0xb60 [ 395.488012][T15424] ? __cfi_selinux_file_permission+0x10/0x10 ** 19 printk messages dropped ** [ 395.489387][T15424] RIP: 0033:0x7f2682f5a94e ** 25 printk messages dropped ** [ 395.503746][T15423] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.503809][T15423] proc_fail_nth_write+0x8f/0x220 [ 395.503863][T15423] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.503925][T15423] ? vfs_writev+0xacb/0xe50 [ 395.504010][T15423] ? bpf_lsm_file_permission+0xd/0x20 [ 395.504066][T15423] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.504142][T15423] vfs_write+0x3c5/0xf90 [ 395.504230][T15423] ? __cfi_vfs_write+0x10/0x10 [ 395.504295][T15423] ? __kasan_check_write+0x18/0x20 ** 40 printk messages dropped ** [ 395.559766][T15426] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.559816][T15426] ? vfs_writev+0xacb/0xe50 [ 395.559900][T15426] ? bpf_lsm_file_permission+0xd/0x20 [ 395.559954][T15426] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.560011][T15426] vfs_write+0x3c5/0xf90 [ 395.560085][T15426] ? __cfi_vfs_write+0x10/0x10 [ 395.560157][T15426] ? __kasan_check_write+0x18/0x20 [ 395.560245][T15426] ? mutex_lock+0x97/0x1d0 ** 22 printk messages dropped ** [ 395.621450][T15431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 60 printk messages dropped ** [ 395.650983][T15432] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 395.651049][T15432] ? selinux_file_permission+0x318/0xb60 [ 395.651115][T15432] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.651178][T15432] proc_fail_nth_write+0x8f/0x220 [ 395.651235][T15432] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.651297][T15432] ? vfs_writev+0xacb/0xe50 [ 395.651371][T15432] ? bpf_lsm_file_permission+0xd/0x20 [ 395.651431][T15432] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.651487][T15432] vfs_write+0x3c5/0xf90 [ 395.651559][T15432] ? __cfi_vfs_write+0x10/0x10 [ 395.651624][T15432] ? __kasan_check_write+0x18/0x20 [ 395.651688][T15432] ? mutex_lock+0x97/0x1d0 [ 395.651754][T15432] ? __cfi_mutex_lock+0x10/0x10 ** 35 printk messages dropped ** [ 395.654377][T15428] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.654440][T15428] proc_fail_nth_write+0x8f/0x220 [ 395.654497][T15428] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.654558][T15428] ? vfs_writev+0xacb/0xe50 [ 395.654643][T15428] ? bpf_lsm_file_permission+0xd/0x20 ** 17 printk messages dropped ** [ 395.655937][T15428] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 24 printk messages dropped ** [ 395.773144][T15434] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.773207][T15434] proc_fail_nth_write+0x8f/0x220 [ 395.773262][T15434] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.773324][T15434] ? vfs_writev+0xacb/0xe50 [ 395.773402][T15434] ? bpf_lsm_file_permission+0xd/0x20 [ 395.773464][T15434] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.773520][T15434] vfs_write+0x3c5/0xf90 [ 395.773594][T15434] ? __cfi_vfs_write+0x10/0x10 ** 39 printk messages dropped ** [ 395.814633][T15439] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.814698][T15439] proc_fail_nth_write+0x8f/0x220 [ 395.814761][T15439] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.814817][T15439] ? vfs_writev+0xacb/0xe50 [ 395.814902][T15439] ? bpf_lsm_file_permission+0xd/0x20 [ 395.814951][T15439] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.815008][T15439] vfs_write+0x3c5/0xf90 [ 395.815089][T15439] ? __cfi_vfs_write+0x10/0x10 [ 395.815176][T15439] ? __kasan_check_write+0x18/0x20 ** 40 printk messages dropped ** [ 395.874613][T15436] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.874668][T15436] ? vfs_writev+0xacb/0xe50 [ 395.874746][T15436] ? bpf_lsm_file_permission+0xd/0x20 ** 32 printk messages dropped ** [ 395.905415][T15441] ? vsnprintf+0x7b4/0x1ad0 ** 9 printk messages dropped ** [ 395.906082][T15441] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.906138][T15441] proc_fail_nth_write+0x8f/0x220 [ 395.906201][T15441] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.906255][T15441] ? vfs_writev+0xacb/0xe50 [ 395.906345][T15441] ? bpf_lsm_file_permission+0xd/0x20 [ 395.906419][T15441] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 41 printk messages dropped ** [ 395.925416][T15445] ? __cfi_selinux_file_permission+0x10/0x10 [ 395.925479][T15445] proc_fail_nth_write+0x8f/0x220 [ 395.925542][T15445] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.925597][T15445] ? vfs_writev+0xacb/0xe50 [ 395.925682][T15445] ? bpf_lsm_file_permission+0xd/0x20 [ 395.925735][T15445] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 395.925798][T15445] vfs_write+0x3c5/0xf90 [ 395.925864][T15445] ? __cfi_vfs_write+0x10/0x10 [ 395.925928][T15445] ? __kasan_check_write+0x18/0x20 ** 39 printk messages dropped ** [ 396.001033][T15443] ? __cfi_selinux_file_permission+0x10/0x10 [ 396.001095][T15443] proc_fail_nth_write+0x8f/0x220 [ 396.001150][T15443] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.001205][T15443] ? vfs_writev+0xacb/0xe50 [ 396.001289][T15443] ? bpf_lsm_file_permission+0xd/0x20 [ 396.001344][T15443] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.001409][T15443] vfs_write+0x3c5/0xf90 [ 396.001477][T15443] ? __cfi_vfs_write+0x10/0x10 [ 396.001549][T15443] ? __kasan_check_write+0x18/0x20 ** 41 printk messages dropped ** [ 396.005325][T15449] ? bpf_lsm_file_permission+0xd/0x20 [ 396.005379][T15449] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.005441][T15449] vfs_write+0x3c5/0xf90 [ 396.005508][T15449] ? __cfi_vfs_write+0x10/0x10 [ 396.005571][T15449] ? __kasan_check_write+0x18/0x20 [ 396.005651][T15449] ? mutex_lock+0x97/0x1d0 [ 396.005724][T15449] ? __cfi_mutex_lock+0x10/0x10 [ 396.005798][T15449] ? __fget_files+0x2c5/0x340 [ 396.005875][T15449] ksys_write+0x145/0x260 [ 396.005948][T15449] ? __cfi_ksys_write+0x10/0x10 [ 396.006008][T15449] ? __kasan_check_read+0x15/0x20 [ 396.006073][T15449] __x64_sys_write+0x7f/0x90 ** 34 printk messages dropped ** [ 396.110922][T15452] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 45 printk messages dropped ** [ 396.122051][T15448] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.122113][T15448] ? vfs_writev+0xacb/0xe50 [ 396.122190][T15448] ? bpf_lsm_file_permission+0xd/0x20 [ 396.122261][T15448] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.122346][T15448] vfs_write+0x3c5/0xf90 [ 396.122421][T15448] ? __cfi_vfs_write+0x10/0x10 [ 396.122486][T15448] ? __kasan_check_write+0x18/0x20 [ 396.122550][T15448] ? mutex_lock+0x97/0x1d0 [ 396.122625][T15448] ? __cfi_mutex_lock+0x10/0x10 [ 396.122709][T15448] ? __fget_files+0x2c5/0x340 [ 396.122794][T15448] ksys_write+0x145/0x260 [ 396.122902][T15448] ? __cfi_ksys_write+0x10/0x10 [ 396.122975][T15448] ? __kasan_check_read+0x15/0x20 [ 396.123048][T15448] __x64_sys_write+0x7f/0x90 [ 396.123122][T15448] x64_sys_call+0x271c/0x2ee0 [ 396.123200][T15448] do_syscall_64+0x57/0xf0 [ 396.123255][T15448] ? clear_bhb_loop+0x50/0xa0 [ 396.123320][T15448] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 28 printk messages dropped ** [ 396.202598][T15456] ? __cfi_selinux_file_permission+0x10/0x10 [ 396.202669][T15456] proc_fail_nth_write+0x8f/0x220 [ 396.202731][T15456] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.202786][T15456] ? vfs_writev+0xacb/0xe50 [ 396.202856][T15456] ? bpf_lsm_file_permission+0xd/0x20 [ 396.202914][T15456] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.202976][T15456] vfs_write+0x3c5/0xf90 [ 396.203050][T15456] ? __cfi_vfs_write+0x10/0x10 [ 396.203114][T15456] ? __kasan_check_write+0x18/0x20 [ 396.203180][T15456] ? mutex_lock+0x97/0x1d0 [ 396.203246][T15456] ? __cfi_mutex_lock+0x10/0x10 [ 396.203318][T15456] ? __fget_files+0x2c5/0x340 ** 11 printk messages dropped ** [ 396.204180][T15456] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 23 printk messages dropped ** [ 396.234883][T15453] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 396.235028][T15453] proc_fail_nth_write+0x8f/0x220 [ 396.235104][T15453] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 396.238062][T15457] proc_fail_nth_write+0x8f/0x220 [ 396.238113][T15457] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.238167][T15457] ? vfs_writev+0xacb/0xe50 [ 396.238251][T15457] ? bpf_lsm_file_permission+0xd/0x20 [ 396.238306][T15457] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.238369][T15457] vfs_write+0x3c5/0xf90 [ 396.238436][T15457] ? __cfi_vfs_write+0x10/0x10 [ 396.238542][T15457] ? __kasan_check_write+0x18/0x20 [ 396.238614][T15457] ? mutex_lock+0x97/0x1d0 [ 396.238645][T15457] ? __cfi_mutex_lock+0x10/0x10 [ 396.238779][T15457] ? __fget_files+0x2c5/0x340 [ 396.238864][T15457] ksys_write+0x145/0x260 [ 396.238936][T15457] ? __cfi_ksys_write+0x10/0x10 [ 396.239011][T15457] ? __kasan_check_read+0x15/0x20 ** 35 printk messages dropped ** [ 396.295057][T15459] ? vfs_writev+0xacb/0xe50 [ 396.295150][T15459] ? bpf_lsm_file_permission+0xd/0x20 [ 396.295225][T15459] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.295295][T15459] vfs_write+0x3c5/0xf90 [ 396.295368][T15459] ? __cfi_vfs_write+0x10/0x10 [ 396.295433][T15459] ? __kasan_check_write+0x18/0x20 ** 60 printk messages dropped ** [ 396.342450][T15462] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 25 printk messages dropped ** [ 396.388300][T15463] proc_fail_nth_write+0x8f/0x220 [ 396.388363][T15463] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.388418][T15463] ? vfs_writev+0xacb/0xe50 [ 396.388501][T15463] ? bpf_lsm_file_permission+0xd/0x20 [ 396.388555][T15463] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.388621][T15463] vfs_write+0x3c5/0xf90 [ 396.388694][T15463] ? __cfi_vfs_write+0x10/0x10 [ 396.388760][T15463] ? __kasan_check_write+0x18/0x20 [ 396.388824][T15463] ? mutex_lock+0x97/0x1d0 [ 396.388883][T15463] ? __cfi_mutex_lock+0x10/0x10 [ 396.388982][T15463] ? __fget_files+0x2c5/0x340 [ 396.389079][T15463] ksys_write+0x145/0x260 ** 36 printk messages dropped ** [ 396.451179][T15465] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.451270][T15465] ? vfs_writev+0xacb/0xe50 [ 396.451358][T15465] ? bpf_lsm_file_permission+0xd/0x20 [ 396.451420][T15465] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.451476][T15465] vfs_write+0x3c5/0xf90 [ 396.451541][T15465] ? __cfi_vfs_write+0x10/0x10 [ 396.451606][T15465] ? __kasan_check_write+0x18/0x20 [ 396.451658][T15465] ? mutex_lock+0x97/0x1d0 [ 396.451732][T15465] ? __cfi_mutex_lock+0x10/0x10 [ 396.451797][T15465] ? __fget_files+0x2c5/0x340 [ 396.451884][T15465] ksys_write+0x145/0x260 [ 396.451950][T15465] ? __cfi_ksys_write+0x10/0x10 [ 396.452022][T15465] ? __kasan_check_read+0x15/0x20 [ 396.452082][T15465] __x64_sys_write+0x7f/0x90 [ 396.452149][T15465] x64_sys_call+0x271c/0x2ee0 [ 396.452224][T15465] do_syscall_64+0x57/0xf0 [ 396.452281][T15465] ? clear_bhb_loop+0x50/0xa0 ** 33 printk messages dropped ** [ 396.478502][T15468] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.478563][T15468] vfs_write+0x3c5/0xf90 ** 43 printk messages dropped ** [ 396.537594][T15469] ? vfs_writev+0xacb/0xe50 [ 396.537676][T15469] ? bpf_lsm_file_permission+0xd/0x20 [ 396.537737][T15469] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.537788][T15469] vfs_write+0x3c5/0xf90 [ 396.537863][T15469] ? __cfi_vfs_write+0x10/0x10 [ 396.537929][T15469] ? __kasan_check_write+0x18/0x20 [ 396.538004][T15469] ? mutex_lock+0x97/0x1d0 [ 396.538070][T15469] ? __cfi_mutex_lock+0x10/0x10 [ 396.538137][T15469] ? __fget_files+0x2c5/0x340 [ 396.538223][T15469] ksys_write+0x145/0x260 [ 396.538290][T15469] ? __cfi_ksys_write+0x10/0x10 [ 396.538363][T15469] ? __kasan_check_read+0x15/0x20 [ 396.538430][T15469] __x64_sys_write+0x7f/0x90 ** 34 printk messages dropped ** [ 396.584835][T15471] ? vfs_writev+0xacb/0xe50 [ 396.585011][T15471] ? bpf_lsm_file_permission+0xd/0x20 [ 396.585074][T15471] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.585131][T15471] vfs_write+0x3c5/0xf90 [ 396.585226][T15471] ? __cfi_vfs_write+0x10/0x10 ** 12 printk messages dropped ** [ 396.586425][T15471] RIP: 0033:0x7f2682f5a94e ** 28 printk messages dropped ** [ 396.623675][T15477] proc_fail_nth_write+0x8f/0x220 [ 396.623732][T15477] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.623794][T15477] ? vfs_writev+0xacb/0xe50 [ 396.623873][T15477] ? bpf_lsm_file_permission+0xd/0x20 [ 396.623920][T15477] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.623982][T15477] vfs_write+0x3c5/0xf90 [ 396.624048][T15477] ? __cfi_vfs_write+0x10/0x10 [ 396.624112][T15477] ? __kasan_check_write+0x18/0x20 ** 39 printk messages dropped ** [ 396.658778][T15475] proc_fail_nth_write+0x8f/0x220 [ 396.658845][T15475] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.658921][T15475] ? vfs_writev+0xacb/0xe50 [ 396.659004][T15475] ? bpf_lsm_file_permission+0xd/0x20 [ 396.659059][T15475] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.659121][T15475] vfs_write+0x3c5/0xf90 [ 396.659193][T15475] ? __cfi_vfs_write+0x10/0x10 [ 396.659257][T15475] ? __kasan_check_write+0x18/0x20 [ 396.659322][T15475] ? mutex_lock+0x97/0x1d0 [ 396.659394][T15475] ? __cfi_mutex_lock+0x10/0x10 [ 396.659459][T15475] ? __fget_files+0x2c5/0x340 [ 396.659546][T15475] ksys_write+0x145/0x260 [ 396.659611][T15475] ? __cfi_ksys_write+0x10/0x10 [ 396.659678][T15475] ? __kasan_check_read+0x15/0x20 [ 396.659761][T15475] __x64_sys_write+0x7f/0x90 [ 396.659841][T15475] x64_sys_call+0x271c/0x2ee0 [ 396.659933][T15475] do_syscall_64+0x57/0xf0 ** 8 printk messages dropped ** [ 396.660413][T15475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 22 printk messages dropped ** [ 396.666147][T15473] ? vfs_writev+0xacb/0xe50 ** 1 printk messages dropped ** [ 396.666286][T15473] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.666342][T15473] vfs_write+0x3c5/0xf90 ** 26 printk messages dropped ** [ 396.739575][T15483] Call Trace: ** 16 printk messages dropped ** [ 396.740623][T15483] ? __cfi_proc_fail_nth_write+0x10/0x10 2026/02/15 15:37:12 executed programs: 7301 [ 396.740673][T15483] ? vfs_writev+0xacb/0xe50 [ 396.740770][T15483] ? bpf_lsm_file_permission+0xd/0x20 [ 396.740832][T15483] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.740896][T15483] vfs_write+0x3c5/0xf90 [ 396.740968][T15483] ? __cfi_vfs_write+0x10/0x10 [ 396.741034][T15483] ? __kasan_check_write+0x18/0x20 ** 44 printk messages dropped ** [ 396.771756][T15479] ? __cfi_vfs_write+0x10/0x10 [ 396.771852][T15479] ? __kasan_check_write+0x18/0x20 ** 21 printk messages dropped ** [ 396.811107][ T44] veth0_vlan: left promiscuous mode ** 20 printk messages dropped ** [ 396.817212][T15485] ? vfs_writev+0xacb/0xe50 [ 396.817288][T15485] ? bpf_lsm_file_permission+0xd/0x20 [ 396.817321][T15485] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.817384][T15485] vfs_write+0x3c5/0xf90 [ 396.817450][T15485] ? __cfi_vfs_write+0x10/0x10 [ 396.817580][T15485] ? __kasan_check_write+0x18/0x20 [ 396.817646][T15485] ? mutex_lock+0x97/0x1d0 [ 396.817715][T15485] ? __cfi_mutex_lock+0x10/0x10 [ 396.817740][T15485] ? __fget_files+0x2c5/0x340 [ 396.817834][T15485] ksys_write+0x145/0x260 ** 36 printk messages dropped ** [ 396.882574][T15481] proc_fail_nth_write+0x8f/0x220 [ 396.882632][T15481] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.882694][T15481] ? vfs_writev+0xacb/0xe50 [ 396.882772][T15481] ? bpf_lsm_file_permission+0xd/0x20 [ 396.882835][T15481] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.882898][T15481] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 396.920336][T15487] proc_fail_nth_write+0x8f/0x220 [ 396.920392][T15487] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.920453][T15487] ? vfs_writev+0xacb/0xe50 [ 396.920531][T15487] ? bpf_lsm_file_permission+0xd/0x20 [ 396.920601][T15487] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.920658][T15487] vfs_write+0x3c5/0xf90 [ 396.920731][T15487] ? __cfi_vfs_write+0x10/0x10 [ 396.920795][T15487] ? __kasan_check_write+0x18/0x20 [ 396.920869][T15487] ? mutex_lock+0x97/0x1d0 [ 396.920926][T15487] ? __cfi_mutex_lock+0x10/0x10 [ 396.921000][T15487] ? __fget_files+0x2c5/0x340 [ 396.921085][T15487] ksys_write+0x145/0x260 [ 396.921150][T15487] ? __cfi_ksys_write+0x10/0x10 [ 396.921224][T15487] ? __kasan_check_read+0x15/0x20 [ 396.921295][T15487] __x64_sys_write+0x7f/0x90 [ 396.921363][T15487] x64_sys_call+0x271c/0x2ee0 ** 33 printk messages dropped ** [ 396.979074][T15489] ? vfs_writev+0xacb/0xe50 [ 396.979161][T15489] ? bpf_lsm_file_permission+0xd/0x20 [ 396.979215][T15489] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 396.979271][T15489] vfs_write+0x3c5/0xf90 [ 396.979343][T15489] ? __cfi_vfs_write+0x10/0x10 [ 396.979411][T15489] ? __kasan_check_write+0x18/0x20 [ 396.979477][T15489] ? mutex_lock+0x97/0x1d0 [ 396.979553][T15489] ? __cfi_mutex_lock+0x10/0x10 [ 396.979629][T15489] ? __fget_files+0x2c5/0x340 [ 396.979707][T15489] ksys_write+0x145/0x260 [ 396.979774][T15489] ? __cfi_ksys_write+0x10/0x10 [ 396.979856][T15489] ? __kasan_check_read+0x15/0x20 [ 396.979928][T15489] __x64_sys_write+0x7f/0x90 [ 396.980025][T15489] x64_sys_call+0x271c/0x2ee0 ** 42 printk messages dropped ** [ 397.013408][T15491] ksys_write+0x145/0x260 ** 35 printk messages dropped ** [ 397.059560][T15494] proc_fail_nth_write+0x8f/0x220 [ 397.059609][T15494] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.059664][T15494] ? vfs_writev+0xacb/0xe50 [ 397.059743][T15494] ? bpf_lsm_file_permission+0xd/0x20 [ 397.059826][T15494] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.059896][T15494] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 397.100462][T15495] proc_fail_nth_write+0x8f/0x220 [ 397.100523][T15495] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.100588][T15495] ? vfs_writev+0xacb/0xe50 [ 397.100672][T15495] ? bpf_lsm_file_permission+0xd/0x20 [ 397.100726][T15495] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.100782][T15495] vfs_write+0x3c5/0xf90 [ 397.100851][T15495] ? __cfi_vfs_write+0x10/0x10 [ 397.100922][T15495] ? __kasan_check_write+0x18/0x20 [ 397.100983][T15495] ? mutex_lock+0x97/0x1d0 [ 397.101007][T15495] ? __cfi_mutex_lock+0x10/0x10 [ 397.101032][T15495] ? __fget_files+0x2c5/0x340 [ 397.101061][T15495] ksys_write+0x145/0x260 [ 397.101090][T15495] ? __cfi_ksys_write+0x10/0x10 [ 397.101117][T15495] ? __kasan_check_read+0x15/0x20 [ 397.101202][T15495] __x64_sys_write+0x7f/0x90 [ 397.101277][T15495] x64_sys_call+0x271c/0x2ee0 [ 397.101385][T15495] do_syscall_64+0x57/0xf0 [ 397.101438][T15495] ? clear_bhb_loop+0x50/0xa0 [ 397.101493][T15495] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 397.101588][T15495] RIP: 0033:0x7fccb0b5a94e [ 397.101641][T15495] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 397.101686][T15495] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 27 printk messages dropped ** [ 397.152649][T15498] ? vfs_writev+0xacb/0xe50 ** 43 printk messages dropped ** [ 397.229566][T15501] ? selinux_file_permission+0x318/0xb60 [ 397.229631][T15501] ? __cfi_selinux_file_permission+0x10/0x10 [ 397.229696][T15501] proc_fail_nth_write+0x8f/0x220 [ 397.229756][T15501] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.229820][T15501] ? vfs_writev+0xacb/0xe50 [ 397.229898][T15501] ? bpf_lsm_file_permission+0xd/0x20 [ 397.229951][T15501] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.230012][T15501] vfs_write+0x3c5/0xf90 [ 397.230047][T15501] ? __cfi_vfs_write+0x10/0x10 [ 397.230077][T15501] ? __kasan_check_write+0x18/0x20 [ 397.230103][T15501] ? mutex_lock+0x97/0x1d0 [ 397.230161][T15501] ? __cfi_mutex_lock+0x10/0x10 [ 397.230252][T15501] ? __fget_files+0x2c5/0x340 [ 397.230351][T15501] ksys_write+0x145/0x260 ** 33 printk messages dropped ** [ 397.290750][T15499] ? selinux_file_permission+0x318/0xb60 [ 397.290808][T15499] ? __cfi_selinux_file_permission+0x10/0x10 [ 397.290865][T15499] proc_fail_nth_write+0x8f/0x220 [ 397.290921][T15499] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.290985][T15499] ? vfs_writev+0xacb/0xe50 ** 43 printk messages dropped ** [ 397.307561][T15503] proc_fail_nth_write+0x8f/0x220 [ 397.307616][T15503] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.307677][T15503] ? vfs_writev+0xacb/0xe50 [ 397.307760][T15503] ? bpf_lsm_file_permission+0xd/0x20 [ 397.307809][T15503] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.307865][T15503] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 397.366735][T15505] proc_fail_nth_write+0x8f/0x220 [ 397.366798][T15505] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.366861][T15505] ? vfs_writev+0xacb/0xe50 [ 397.366947][T15505] ? bpf_lsm_file_permission+0xd/0x20 [ 397.367001][T15505] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 42 printk messages dropped ** [ 397.441292][T15509] proc_fail_nth_write+0x8f/0x220 [ 397.441369][T15509] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.441429][T15509] ? vfs_writev+0xacb/0xe50 [ 397.441508][T15509] ? bpf_lsm_file_permission+0xd/0x20 [ 397.441570][T15509] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.441626][T15509] vfs_write+0x3c5/0xf90 [ 397.441692][T15509] ? __cfi_vfs_write+0x10/0x10 [ 397.441755][T15509] ? __kasan_check_write+0x18/0x20 [ 397.441824][T15509] ? mutex_lock+0x97/0x1d0 [ 397.441889][T15509] ? __cfi_mutex_lock+0x10/0x10 [ 397.441956][T15509] ? __fget_files+0x2c5/0x340 [ 397.442043][T15509] ksys_write+0x145/0x260 [ 397.442115][T15509] ? __cfi_ksys_write+0x10/0x10 [ 397.442180][T15509] ? __kasan_check_read+0x15/0x20 [ 397.442245][T15509] __x64_sys_write+0x7f/0x90 [ 397.442318][T15509] x64_sys_call+0x271c/0x2ee0 ** 13 printk messages dropped ** [ 397.560530][T15513] FAULT_INJECTION: forcing a failure. [ 397.560530][T15513] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 16 printk messages dropped ** [ 397.608674][T15512] ? selinux_file_permission+0x318/0xb60 ** 1 printk messages dropped ** [ 397.608788][T15512] proc_fail_nth_write+0x8f/0x220 [ 397.608844][T15512] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 397.621865][T15508] proc_fail_nth_write+0x8f/0x220 [ 397.621919][T15508] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.621989][T15508] ? vfs_writev+0xacb/0xe50 [ 397.622077][T15508] ? bpf_lsm_file_permission+0xd/0x20 [ 397.622130][T15508] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.622185][T15508] vfs_write+0x3c5/0xf90 [ 397.622258][T15508] ? __cfi_vfs_write+0x10/0x10 [ 397.622322][T15508] ? __kasan_check_write+0x18/0x20 ** 21 printk messages dropped ** [ 397.664796][T15513] CPU: 0 UID: 0 PID: 15513 Comm: syz.1.7274 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 17 printk messages dropped ** [ 397.665951][T15513] proc_fail_nth_write+0x8f/0x220 [ 397.666007][T15513] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.666062][T15513] ? vfs_writev+0xacb/0xe50 [ 397.666156][T15513] ? bpf_lsm_file_permission+0xd/0x20 [ 397.666235][T15513] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.666298][T15513] vfs_write+0x3c5/0xf90 [ 397.666371][T15513] ? __cfi_vfs_write+0x10/0x10 [ 397.666434][T15513] ? __kasan_check_write+0x18/0x20 [ 397.666507][T15513] ? mutex_lock+0x97/0x1d0 ** 4 printk messages dropped ** [ 397.666887][T15513] ? __kasan_check_read+0x15/0x20 ** 33 printk messages dropped ** [ 397.718213][T15515] proc_fail_nth_write+0x8f/0x220 [ 397.718276][T15515] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.718326][T15515] ? vfs_writev+0xacb/0xe50 [ 397.718431][T15515] ? bpf_lsm_file_permission+0xd/0x20 [ 397.718511][T15515] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.718583][T15515] vfs_write+0x3c5/0xf90 ** 25 printk messages dropped ** [ 397.852723][T15518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 14 printk messages dropped ** [ 397.853701][T15518] ? selinux_file_permission+0x318/0xb60 [ 397.853761][T15518] ? __cfi_selinux_file_permission+0x10/0x10 [ 397.853816][T15518] proc_fail_nth_write+0x8f/0x220 [ 397.853879][T15518] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.853940][T15518] ? vfs_writev+0xacb/0xe50 [ 397.854025][T15518] ? bpf_lsm_file_permission+0xd/0x20 [ 397.854079][T15518] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.854134][T15518] vfs_write+0x3c5/0xf90 ** 39 printk messages dropped ** [ 397.889284][T15521] ? selinux_file_permission+0x318/0xb60 [ 397.889355][T15521] ? __cfi_selinux_file_permission+0x10/0x10 [ 397.889411][T15521] proc_fail_nth_write+0x8f/0x220 [ 397.889473][T15521] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.889540][T15521] ? vfs_writev+0xacb/0xe50 [ 397.889625][T15521] ? bpf_lsm_file_permission+0xd/0x20 [ 397.889664][T15521] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.889694][T15521] vfs_write+0x3c5/0xf90 ** 42 printk messages dropped ** [ 397.909229][T15519] ? vfs_writev+0xacb/0xe50 [ 397.909313][T15519] ? bpf_lsm_file_permission+0xd/0x20 [ 397.909369][T15519] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.909432][T15519] vfs_write+0x3c5/0xf90 [ 397.909620][T15519] ? __cfi_vfs_write+0x10/0x10 [ 397.909684][T15519] ? __kasan_check_write+0x18/0x20 [ 397.909749][T15519] ? mutex_lock+0x97/0x1d0 [ 397.909788][T15519] ? __cfi_mutex_lock+0x10/0x10 [ 397.909863][T15519] ? __fget_files+0x2c5/0x340 [ 397.909942][T15519] ksys_write+0x145/0x260 [ 397.910015][T15519] ? __cfi_ksys_write+0x10/0x10 [ 397.910084][T15519] ? __kasan_check_read+0x15/0x20 [ 397.910159][T15519] __x64_sys_write+0x7f/0x90 [ 397.910228][T15519] x64_sys_call+0x271c/0x2ee0 [ 397.910313][T15519] do_syscall_64+0x57/0xf0 [ 397.910378][T15519] ? clear_bhb_loop+0x50/0xa0 [ 397.910463][T15519] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 28 printk messages dropped ** [ 397.971959][T15523] proc_fail_nth_write+0x8f/0x220 [ 397.972015][T15523] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.972066][T15523] ? vfs_writev+0xacb/0xe50 [ 397.972096][T15523] ? bpf_lsm_file_permission+0xd/0x20 [ 397.972116][T15523] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 397.972136][T15523] vfs_write+0x3c5/0xf90 [ 397.972161][T15523] ? __cfi_vfs_write+0x10/0x10 [ 397.972185][T15523] ? __kasan_check_write+0x18/0x20 [ 397.972210][T15523] ? mutex_lock+0x97/0x1d0 [ 397.972297][T15523] ? __cfi_mutex_lock+0x10/0x10 [ 397.972393][T15523] ? __fget_files+0x2c5/0x340 [ 397.972503][T15523] ksys_write+0x145/0x260 [ 397.972590][T15523] ? __cfi_ksys_write+0x10/0x10 [ 397.972650][T15523] ? __kasan_check_read+0x15/0x20 [ 397.972724][T15523] __x64_sys_write+0x7f/0x90 [ 397.972800][T15523] x64_sys_call+0x271c/0x2ee0 [ 397.972904][T15523] do_syscall_64+0x57/0xf0 [ 397.972959][T15523] ? clear_bhb_loop+0x50/0xa0 [ 397.973008][T15523] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 397.973092][T15523] RIP: 0033:0x7f2682f5a94e [ 397.973145][T15523] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 74 printk messages dropped ** [ 398.060485][T15530] ? __cfi_selinux_file_permission+0x10/0x10 ** 20 printk messages dropped ** [ 398.061916][T15530] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 22 printk messages dropped ** [ 398.106050][T15527] kstrtouint_from_user+0xde/0x170 [ 398.106112][T15527] ? __cfi_kstrtouint_from_user+0x10/0x10 [ 398.106177][T15527] ? selinux_file_permission+0x318/0xb60 [ 398.106241][T15527] ? __cfi_selinux_file_permission+0x10/0x10 [ 398.106304][T15527] proc_fail_nth_write+0x8f/0x220 [ 398.106352][T15527] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.106406][T15527] ? vfs_writev+0xacb/0xe50 [ 398.106477][T15527] ? bpf_lsm_file_permission+0xd/0x20 [ 398.106532][T15527] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.106594][T15527] vfs_write+0x3c5/0xf90 [ 398.106659][T15527] ? __cfi_vfs_write+0x10/0x10 [ 398.106729][T15527] ? __kasan_check_write+0x18/0x20 [ 398.106794][T15527] ? mutex_lock+0x97/0x1d0 [ 398.106866][T15527] ? __cfi_mutex_lock+0x10/0x10 ** 16 printk messages dropped ** [ 398.107920][T15527] R13: 0000000000000000 R14: 00007fccb0dc5fa0 R15: 00007ffd812eb218 ** 23 printk messages dropped ** [ 398.114111][T15531] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 43 printk messages dropped ** [ 398.187505][T15533] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 2 printk messages dropped ** [ 398.187727][T15533] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.187791][T15533] vfs_write+0x3c5/0xf90 [ 398.187862][T15533] ? __cfi_vfs_write+0x10/0x10 [ 398.187920][T15533] ? __kasan_check_write+0x18/0x20 [ 398.187998][T15533] ? mutex_lock+0x97/0x1d0 [ 398.188064][T15533] ? __cfi_mutex_lock+0x10/0x10 [ 398.188124][T15533] ? __fget_files+0x2c5/0x340 [ 398.188217][T15533] ksys_write+0x145/0x260 [ 398.188302][T15533] ? __cfi_ksys_write+0x10/0x10 [ 398.188375][T15533] ? __kasan_check_read+0x15/0x20 [ 398.188440][T15533] __x64_sys_write+0x7f/0x90 [ 398.188524][T15533] x64_sys_call+0x271c/0x2ee0 ** 11 printk messages dropped ** [ 398.189161][T15533] ** 22 printk messages dropped ** [ 398.221915][T15536] ? bpf_lsm_file_permission+0xd/0x20 [ 398.221953][T15536] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.222042][T15536] vfs_write+0x3c5/0xf90 [ 398.222135][T15536] ? __cfi_vfs_write+0x10/0x10 [ 398.222193][T15536] ? __kasan_check_write+0x18/0x20 [ 398.222258][T15536] ? mutex_lock+0x97/0x1d0 [ 398.222323][T15536] ? __cfi_mutex_lock+0x10/0x10 [ 398.222387][T15536] ? __fget_files+0x2c5/0x340 [ 398.222476][T15536] ksys_write+0x145/0x260 [ 398.222549][T15536] ? __cfi_ksys_write+0x10/0x10 [ 398.222601][T15536] ? __kasan_check_read+0x15/0x20 [ 398.222666][T15536] __x64_sys_write+0x7f/0x90 [ 398.222742][T15536] x64_sys_call+0x271c/0x2ee0 [ 398.222819][T15536] do_syscall_64+0x57/0xf0 [ 398.222867][T15536] ? clear_bhb_loop+0x50/0xa0 [ 398.222922][T15536] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.223007][T15536] RIP: 0033:0x7fccb0b5a94e [ 398.223057][T15536] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 398.223110][T15536] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.223168][T15536] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 398.223213][T15536] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 [ 398.223254][T15536] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 ** 27 printk messages dropped ** [ 398.275734][T15539] vfs_write+0x3c5/0xf90 [ 398.275801][T15539] ? __cfi_vfs_write+0x10/0x10 [ 398.275865][T15539] ? __kasan_check_write+0x18/0x20 [ 398.275936][T15539] ? mutex_lock+0x97/0x1d0 [ 398.275999][T15539] ? __cfi_mutex_lock+0x10/0x10 [ 398.276063][T15539] ? __fget_files+0x2c5/0x340 [ 398.276153][T15539] ksys_write+0x145/0x260 [ 398.276244][T15539] ? __cfi_ksys_write+0x10/0x10 [ 398.276309][T15539] ? __kasan_check_read+0x15/0x20 [ 398.276381][T15539] __x64_sys_write+0x7f/0x90 [ 398.276448][T15539] x64_sys_call+0x271c/0x2ee0 [ 398.276532][T15539] do_syscall_64+0x57/0xf0 [ 398.276585][T15539] ? clear_bhb_loop+0x50/0xa0 [ 398.276641][T15539] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.276723][T15539] RIP: 0033:0x7f2682f5a94e [ 398.276767][T15539] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 398.276821][T15539] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.276886][T15539] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 398.276928][T15539] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 [ 398.276969][T15539] RBP: 00007f2683d66090 R08: 0000000000000000 R09: 0000000000000000 [ 398.277003][T15539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 398.277043][T15539] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 [ 398.277094][T15539] [ 398.297896][T15541] FAULT_INJECTION: forcing a failure. [ 398.297896][T15541] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 398.307957][T15543] FAULT_INJECTION: forcing a failure. [ 398.307957][T15543] name fail_usercopy, interval 1, probability 0, space 0, times 0 ** 23 printk messages dropped ** [ 398.325149][T15541] vfs_write+0x3c5/0xf90 [ 398.325222][T15541] ? __cfi_vfs_write+0x10/0x10 [ 398.325287][T15541] ? __kasan_check_write+0x18/0x20 [ 398.325351][T15541] ? mutex_lock+0x97/0x1d0 [ 398.325415][T15541] ? __cfi_mutex_lock+0x10/0x10 [ 398.325487][T15541] ? __fget_files+0x2c5/0x340 [ 398.325566][T15541] ksys_write+0x145/0x260 [ 398.325632][T15541] ? __cfi_ksys_write+0x10/0x10 [ 398.325705][T15541] ? __kasan_check_read+0x15/0x20 ** 6 printk messages dropped ** [ 398.326206][T15541] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 36 printk messages dropped ** [ 398.346426][T15537] ksys_write+0x145/0x260 [ 398.346490][T15537] ? __cfi_ksys_write+0x10/0x10 [ 398.346564][T15537] ? __kasan_check_read+0x15/0x20 [ 398.346636][T15537] __x64_sys_write+0x7f/0x90 ** 34 printk messages dropped ** [ 398.388009][T15543] ? vfs_writev+0xacb/0xe50 ** 5 printk messages dropped ** [ 398.388405][T15543] ? mutex_lock+0x97/0x1d0 [ 398.388470][T15543] ? __cfi_mutex_lock+0x10/0x10 [ 398.388546][T15543] ? __fget_files+0x2c5/0x340 [ 398.388631][T15543] ksys_write+0x145/0x260 [ 398.388696][T15543] ? __cfi_ksys_write+0x10/0x10 [ 398.388808][T15543] ? __kasan_check_read+0x15/0x20 [ 398.388916][T15543] __x64_sys_write+0x7f/0x90 [ 398.389002][T15543] x64_sys_call+0x271c/0x2ee0 [ 398.389091][T15543] do_syscall_64+0x57/0xf0 [ 398.389166][T15543] ? clear_bhb_loop+0x50/0xa0 [ 398.389228][T15543] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.389313][T15543] RIP: 0033:0x7f2682f5a94e [ 398.389365][T15543] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 37 printk messages dropped ** [ 398.438230][T15545] ksys_write+0x145/0x260 [ 398.438295][T15545] ? xfd_validate_state+0x68/0x140 ** 19 printk messages dropped ** [ 398.487077][T15550] CPU: 0 UID: 0 PID: 15550 Comm: syz.5.7293 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 20 printk messages dropped ** [ 398.488481][T15550] ? bpf_lsm_file_permission+0xd/0x20 [ 398.488542][T15550] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.488598][T15550] vfs_write+0x3c5/0xf90 [ 398.488672][T15550] ? __cfi_vfs_write+0x10/0x10 [ 398.488737][T15550] ? __kasan_check_write+0x18/0x20 [ 398.488801][T15550] ? mutex_lock+0x97/0x1d0 [ 398.488871][T15550] ? __cfi_mutex_lock+0x10/0x10 [ 398.488925][T15550] ? __fget_files+0x2c5/0x340 [ 398.489032][T15550] ksys_write+0x145/0x260 [ 398.489105][T15550] ? __cfi_ksys_write+0x10/0x10 [ 398.489178][T15550] ? __kasan_check_read+0x15/0x20 [ 398.489251][T15550] __x64_sys_write+0x7f/0x90 [ 398.489316][T15550] x64_sys_call+0x271c/0x2ee0 [ 398.489397][T15550] do_syscall_64+0x57/0xf0 [ 398.489439][T15550] ? clear_bhb_loop+0x50/0xa0 [ 398.489494][T15550] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.489580][T15550] RIP: 0033:0x7f805455a94e [ 398.489633][T15550] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 30 printk messages dropped ** [ 398.550333][T15547] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 398.550389][T15547] vfs_write+0x3c5/0xf90 [ 398.550465][T15547] ? __cfi_vfs_write+0x10/0x10 [ 398.550530][T15547] ? __kasan_check_write+0x18/0x20 [ 398.550595][T15547] ? mutex_lock+0x97/0x1d0 [ 398.550660][T15547] ? __cfi_mutex_lock+0x10/0x10 [ 398.550726][T15547] ? __fget_files+0x2c5/0x340 [ 398.550805][T15547] ksys_write+0x145/0x260 [ 398.550877][T15547] ? __cfi_ksys_write+0x10/0x10 ** 10 printk messages dropped ** [ 398.551612][T15547] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 29 printk messages dropped ** [ 398.555424][T15551] ? __kasan_check_write+0x18/0x20 [ 398.555499][T15551] ? mutex_lock+0x97/0x1d0 [ 398.555563][T15551] ? __cfi_mutex_lock+0x10/0x10 [ 398.555628][T15551] ? __fget_files+0x2c5/0x340 [ 398.555716][T15551] ksys_write+0x145/0x260 [ 398.555783][T15551] ? __cfi_ksys_write+0x10/0x10 [ 398.555855][T15551] ? __kasan_check_read+0x15/0x20 [ 398.555919][T15551] __x64_sys_write+0x7f/0x90 [ 398.555984][T15551] x64_sys_call+0x271c/0x2ee0 [ 398.556079][T15551] do_syscall_64+0x57/0xf0 ** 15 printk messages dropped ** [ 398.649693][T15553] ** 21 printk messages dropped ** [ 398.651211][T15553] ? __kasan_check_write+0x18/0x20 [ 398.651276][T15553] ? mutex_lock+0x97/0x1d0 [ 398.651342][T15553] ? __cfi_mutex_lock+0x10/0x10 [ 398.651413][T15553] ? __fget_files+0x2c5/0x340 [ 398.651497][T15553] ksys_write+0x145/0x260 [ 398.651571][T15553] ? __cfi_ksys_write+0x10/0x10 [ 398.651639][T15553] ? __kasan_check_read+0x15/0x20 [ 398.651725][T15553] __x64_sys_write+0x7f/0x90 [ 398.651793][T15553] x64_sys_call+0x271c/0x2ee0 [ 398.651872][T15553] do_syscall_64+0x57/0xf0 ** 37 printk messages dropped ** [ 398.718946][T15555] ? __kasan_check_write+0x18/0x20 [ 398.719013][T15555] ? mutex_lock+0x97/0x1d0 [ 398.719087][T15555] ? __cfi_mutex_lock+0x10/0x10 [ 398.719144][T15555] ? __fget_files+0x2c5/0x340 [ 398.719229][T15555] ksys_write+0x145/0x260 [ 398.719295][T15555] ? __cfi_ksys_write+0x10/0x10 [ 398.719367][T15555] ? __kasan_check_read+0x15/0x20 [ 398.719432][T15555] __x64_sys_write+0x7f/0x90 [ 398.719515][T15555] x64_sys_call+0x271c/0x2ee0 [ 398.719590][T15555] do_syscall_64+0x57/0xf0 [ 398.719644][T15555] ? clear_bhb_loop+0x50/0xa0 [ 398.719700][T15555] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.719787][T15555] RIP: 0033:0x7fccb0b5a94e ** 9 printk messages dropped ** [ 398.748461][T15557] CPU: 0 UID: 0 PID: 15557 Comm: syz.1.7297 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 70 printk messages dropped ** [ 398.823797][T15562] vfs_write+0x3c5/0xf90 [ 398.823869][T15562] ? __cfi_vfs_write+0x10/0x10 [ 398.823934][T15562] ? __kasan_check_write+0x18/0x20 [ 398.823998][T15562] ? mutex_lock+0x97/0x1d0 [ 398.824070][T15562] ? __cfi_mutex_lock+0x10/0x10 [ 398.824136][T15562] ? __fget_files+0x2c5/0x340 [ 398.824221][T15562] ksys_write+0x145/0x260 [ 398.824286][T15562] ? __cfi_ksys_write+0x10/0x10 [ 398.824358][T15562] ? __kasan_check_read+0x15/0x20 [ 398.824422][T15562] __x64_sys_write+0x7f/0x90 [ 398.824498][T15562] x64_sys_call+0x271c/0x2ee0 [ 398.824573][T15562] do_syscall_64+0x57/0xf0 ** 35 printk messages dropped ** [ 398.855760][T15563] vfs_write+0x3c5/0xf90 [ 398.855835][T15563] ? __cfi_vfs_write+0x10/0x10 [ 398.856059][T15563] ? __kasan_check_write+0x18/0x20 [ 398.856135][T15563] ? mutex_lock+0x97/0x1d0 [ 398.856213][T15563] ? __cfi_mutex_lock+0x10/0x10 [ 398.856280][T15563] ? __fget_files+0x2c5/0x340 [ 398.856367][T15563] ksys_write+0x145/0x260 [ 398.856456][T15563] ? __cfi_ksys_write+0x10/0x10 [ 398.856533][T15563] ? __kasan_check_read+0x15/0x20 [ 398.856617][T15563] __x64_sys_write+0x7f/0x90 [ 398.856672][T15563] x64_sys_call+0x271c/0x2ee0 [ 398.856717][T15563] do_syscall_64+0x57/0xf0 [ 398.856776][T15563] ? clear_bhb_loop+0x50/0xa0 [ 398.856865][T15563] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.856974][T15563] RIP: 0033:0x7fccb0b5a94e [ 398.857031][T15563] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 398.857086][T15563] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 23 printk messages dropped ** [ 398.859242][T15559] ? __cfi_selinux_file_permission+0x10/0x10 ** 11 printk messages dropped ** [ 398.860336][T15559] ksys_write+0x145/0x260 ** 20 printk messages dropped ** [ 398.930433][T15565] ** 22 printk messages dropped ** [ 398.931972][T15565] ? mutex_lock+0x97/0x1d0 [ 398.932044][T15565] ? __cfi_mutex_lock+0x10/0x10 [ 398.932109][T15565] ? __fget_files+0x2c5/0x340 [ 398.932193][T15565] ksys_write+0x145/0x260 [ 398.932264][T15565] ? xfd_validate_state+0x68/0x140 [ 398.932351][T15565] ? __cfi_ksys_write+0x10/0x10 [ 398.932446][T15565] ? __kasan_check_read+0x15/0x20 [ 398.932520][T15565] __x64_sys_write+0x7f/0x90 [ 398.932585][T15565] x64_sys_call+0x271c/0x2ee0 [ 398.932667][T15565] do_syscall_64+0x57/0xf0 [ 398.932713][T15565] ? clear_bhb_loop+0x50/0xa0 [ 398.932761][T15565] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 398.932847][T15565] RIP: 0033:0x7f2682f5a94e [ 398.932899][T15565] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 398.932953][T15565] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.933017][T15565] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 32 printk messages dropped ** [ 399.016906][T15570] ? __kasan_check_write+0x18/0x20 [ 399.016972][T15570] ? mutex_lock+0x97/0x1d0 [ 399.017038][T15570] ? __cfi_mutex_lock+0x10/0x10 [ 399.017110][T15570] ? __fget_files+0x2c5/0x340 [ 399.017219][T15570] ksys_write+0x145/0x260 [ 399.017297][T15570] ? xfd_validate_state+0x68/0x140 [ 399.017364][T15570] ? __cfi_ksys_write+0x10/0x10 [ 399.017442][T15570] ? __kasan_check_read+0x15/0x20 ** 38 printk messages dropped ** [ 399.031766][T15567] ? __cfi_vfs_write+0x10/0x10 [ 399.031831][T15567] ? __kasan_check_write+0x18/0x20 [ 399.031924][T15567] ? mutex_lock+0x97/0x1d0 [ 399.032004][T15567] ? __cfi_mutex_lock+0x10/0x10 [ 399.032071][T15567] ? __fget_files+0x2c5/0x340 [ 399.032148][T15567] ksys_write+0x145/0x260 [ 399.032213][T15567] ? __cfi_ksys_write+0x10/0x10 [ 399.032289][T15567] ? __kasan_check_read+0x15/0x20 [ 399.032354][T15567] __x64_sys_write+0x7f/0x90 [ 399.032430][T15567] x64_sys_call+0x271c/0x2ee0 [ 399.032512][T15567] do_syscall_64+0x57/0xf0 ** 21 printk messages dropped ** [ 399.096566][T15571] dump_stack+0x19/0x20 ** 17 printk messages dropped ** [ 399.097843][T15571] ? __cfi_mutex_lock+0x10/0x10 [ 399.097911][T15571] ? __fget_files+0x2c5/0x340 [ 399.097995][T15571] ksys_write+0x145/0x260 [ 399.098062][T15571] ? __cfi_ksys_write+0x10/0x10 [ 399.098137][T15571] ? __kasan_check_read+0x15/0x20 [ 399.098211][T15571] __x64_sys_write+0x7f/0x90 [ 399.098289][T15571] x64_sys_call+0x271c/0x2ee0 ** 57 printk messages dropped ** [ 399.130965][T15575] R13: 0000000000000000 R14: 00007f26831c5fa0 R15: 00007fff17e42fb8 ** 29 printk messages dropped ** [ 399.179240][T15573] ? __cfi_mutex_lock+0x10/0x10 [ 399.179314][T15573] ? __fget_files+0x2c5/0x340 [ 399.179398][T15573] ksys_write+0x145/0x260 [ 399.179501][T15573] ? __cfi_ksys_write+0x10/0x10 [ 399.179575][T15573] ? __kasan_check_read+0x15/0x20 ** 11 printk messages dropped ** [ 399.180259][T15573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 27 printk messages dropped ** [ 399.266786][T15577] ? __cfi_vfs_write+0x10/0x10 [ 399.266810][T15577] ? __kasan_check_write+0x18/0x20 ** 1 printk messages dropped ** [ 399.266856][T15577] ? __cfi_mutex_lock+0x10/0x10 [ 399.266880][T15577] ? __fget_files+0x2c5/0x340 [ 399.266946][T15577] ksys_write+0x145/0x260 [ 399.267039][T15577] ? __cfi_ksys_write+0x10/0x10 [ 399.267128][T15577] ? __kasan_check_read+0x15/0x20 [ 399.267193][T15577] __x64_sys_write+0x7f/0x90 [ 399.267269][T15577] x64_sys_call+0x271c/0x2ee0 [ 399.267352][T15577] do_syscall_64+0x57/0xf0 [ 399.267400][T15577] ? clear_bhb_loop+0x50/0xa0 [ 399.267463][T15577] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.267549][T15577] RIP: 0033:0x7f805455a94e [ 399.267595][T15577] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 36 printk messages dropped ** [ 399.297904][T15581] ? __fget_files+0x2c5/0x340 [ 399.297988][T15581] ksys_write+0x145/0x260 [ 399.298055][T15581] ? __cfi_ksys_write+0x10/0x10 [ 399.298122][T15581] ? __kasan_check_read+0x15/0x20 [ 399.298189][T15581] __x64_sys_write+0x7f/0x90 [ 399.298294][T15581] x64_sys_call+0x271c/0x2ee0 [ 399.298377][T15581] do_syscall_64+0x57/0xf0 [ 399.298441][T15581] ? clear_bhb_loop+0x50/0xa0 [ 399.298496][T15581] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.298531][T15581] RIP: 0033:0x7f2682f5a94e [ 399.298602][T15581] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 80 printk messages dropped ** [ 399.356141][T15580] ? __kasan_check_write+0x18/0x20 [ 399.356207][T15580] ? mutex_lock+0x97/0x1d0 ** 1 printk messages dropped ** [ 399.356347][T15580] ? __fget_files+0x2c5/0x340 [ 399.356403][T15580] ksys_write+0x145/0x260 [ 399.356467][T15580] ? __cfi_ksys_write+0x10/0x10 [ 399.356541][T15580] ? __kasan_check_read+0x15/0x20 [ 399.356623][T15580] __x64_sys_write+0x7f/0x90 [ 399.356697][T15580] x64_sys_call+0x271c/0x2ee0 [ 399.356774][T15580] do_syscall_64+0x57/0xf0 ** 3 printk messages dropped ** [ 399.357027][T15580] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 36 printk messages dropped ** [ 399.415542][T15585] ? __fget_files+0x2c5/0x340 ** 43 printk messages dropped ** [ 399.449001][T15587] ? __kasan_check_write+0x18/0x20 [ 399.449053][T15587] ? mutex_lock+0x97/0x1d0 [ 399.449118][T15587] ? __cfi_mutex_lock+0x10/0x10 [ 399.449185][T15587] ? __fget_files+0x2c5/0x340 [ 399.449269][T15587] ksys_write+0x145/0x260 [ 399.449334][T15587] ? __cfi_ksys_write+0x10/0x10 [ 399.449407][T15587] ? __kasan_check_read+0x15/0x20 [ 399.449475][T15587] __x64_sys_write+0x7f/0x90 [ 399.449557][T15587] x64_sys_call+0x271c/0x2ee0 [ 399.449632][T15587] do_syscall_64+0x57/0xf0 [ 399.449704][T15587] ? clear_bhb_loop+0x50/0xa0 [ 399.449774][T15587] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.449852][T15587] RIP: 0033:0x7fccb0b5a94e [ 399.449899][T15587] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 31 printk messages dropped ** [ 399.530890][T15592] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 399.530945][T15592] vfs_write+0x3c5/0xf90 [ 399.531013][T15592] ? __cfi_vfs_write+0x10/0x10 [ 399.531078][T15592] ? __kasan_check_write+0x18/0x20 [ 399.531153][T15592] ? mutex_lock+0x97/0x1d0 [ 399.531221][T15592] ? __cfi_mutex_lock+0x10/0x10 [ 399.531294][T15592] ? __fget_files+0x2c5/0x340 [ 399.531380][T15592] ksys_write+0x145/0x260 [ 399.531448][T15592] ? __cfi_ksys_write+0x10/0x10 [ 399.531520][T15592] ? __kasan_check_read+0x15/0x20 [ 399.531587][T15592] __x64_sys_write+0x7f/0x90 [ 399.531694][T15592] x64_sys_call+0x271c/0x2ee0 [ 399.531794][T15592] do_syscall_64+0x57/0xf0 [ 399.531840][T15592] ? clear_bhb_loop+0x50/0xa0 [ 399.531901][T15592] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 4 printk messages dropped ** [ 399.532219][T15592] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 ** 27 printk messages dropped ** [ 399.602799][T15593] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 399.602853][T15593] vfs_write+0x3c5/0xf90 [ 399.602925][T15593] ? __cfi_vfs_write+0x10/0x10 [ 399.602987][T15593] ? __kasan_check_write+0x18/0x20 [ 399.603060][T15593] ? mutex_lock+0x97/0x1d0 [ 399.603125][T15593] ? __cfi_mutex_lock+0x10/0x10 [ 399.603182][T15593] ? __fget_files+0x2c5/0x340 [ 399.603267][T15593] ksys_write+0x145/0x260 [ 399.603332][T15593] ? __cfi_ksys_write+0x10/0x10 [ 399.603415][T15593] ? __kasan_check_read+0x15/0x20 [ 399.603501][T15593] __x64_sys_write+0x7f/0x90 [ 399.603586][T15593] x64_sys_call+0x271c/0x2ee0 [ 399.603662][T15593] do_syscall_64+0x57/0xf0 [ 399.603717][T15593] ? clear_bhb_loop+0x50/0xa0 [ 399.603772][T15593] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.603856][T15593] RIP: 0033:0x7f2682f5a94e [ 399.603907][T15593] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 399.603960][T15593] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.604025][T15593] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e ** 30 printk messages dropped ** [ 399.606569][T15589] ? __kasan_check_write+0x18/0x20 [ 399.606639][T15589] ? mutex_lock+0x97/0x1d0 [ 399.606703][T15589] ? __cfi_mutex_lock+0x10/0x10 [ 399.606774][T15589] ? __fget_files+0x2c5/0x340 [ 399.606879][T15589] ksys_write+0x145/0x260 [ 399.606953][T15589] ? __cfi_ksys_write+0x10/0x10 [ 399.607026][T15589] ? __kasan_check_read+0x15/0x20 [ 399.607092][T15589] __x64_sys_write+0x7f/0x90 [ 399.607160][T15589] x64_sys_call+0x271c/0x2ee0 [ 399.607237][T15589] do_syscall_64+0x57/0xf0 [ 399.607296][T15589] ? clear_bhb_loop+0x50/0xa0 [ 399.607351][T15589] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.607448][T15589] RIP: 0033:0x7f805455a94e [ 399.607493][T15589] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 36 printk messages dropped ** [ 399.644798][T15595] ? __fget_files+0x2c5/0x340 [ 399.644883][T15595] ksys_write+0x145/0x260 [ 399.644968][T15595] ? __cfi_ksys_write+0x10/0x10 ** 39 printk messages dropped ** [ 399.769783][T15597] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 399.769865][T15597] vfs_write+0x3c5/0xf90 ** 1 printk messages dropped ** [ 399.770002][T15597] ? __kasan_check_write+0x18/0x20 ** 45 printk messages dropped ** [ 399.780508][T15600] ? __kasan_check_write+0x18/0x20 [ 399.780581][T15600] ? mutex_lock+0x97/0x1d0 [ 399.780656][T15600] ? __cfi_mutex_lock+0x10/0x10 [ 399.780722][T15600] ? __fget_files+0x2c5/0x340 [ 399.780798][T15600] ksys_write+0x145/0x260 [ 399.780870][T15600] ? __cfi_ksys_write+0x10/0x10 [ 399.780942][T15600] ? __kasan_check_read+0x15/0x20 [ 399.781010][T15600] __x64_sys_write+0x7f/0x90 [ 399.781077][T15600] x64_sys_call+0x271c/0x2ee0 [ 399.781175][T15600] do_syscall_64+0x57/0xf0 [ 399.781253][T15600] ? clear_bhb_loop+0x50/0xa0 [ 399.781321][T15600] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.781394][T15600] RIP: 0033:0x7fccb0b5a94e [ 399.781448][T15600] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 33 printk messages dropped ** [ 399.856831][T15601] ? __kasan_check_write+0x18/0x20 [ 399.856897][T15601] ? mutex_lock+0x97/0x1d0 [ 399.856965][T15601] ? __cfi_mutex_lock+0x10/0x10 [ 399.857029][T15601] ? __fget_files+0x2c5/0x340 [ 399.857128][T15601] ksys_write+0x145/0x260 ** 1 printk messages dropped ** [ 399.857263][T15601] ? __kasan_check_read+0x15/0x20 ** 43 printk messages dropped ** [ 399.888615][T15604] ? __fget_files+0x2c5/0x340 ** 10 printk messages dropped ** [ 399.889359][T15604] RSP: 002b:00007f8055343fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 32 printk messages dropped ** [ 399.923039][T15605] ? __kasan_check_write+0x18/0x20 [ 399.923105][T15605] ? mutex_lock+0x97/0x1d0 [ 399.923172][T15605] ? __cfi_mutex_lock+0x10/0x10 [ 399.923238][T15605] ? __fget_files+0x2c5/0x340 [ 399.923339][T15605] ksys_write+0x145/0x260 [ 399.923406][T15605] ? __cfi_ksys_write+0x10/0x10 [ 399.923473][T15605] ? __kasan_check_read+0x15/0x20 [ 399.923539][T15605] __x64_sys_write+0x7f/0x90 [ 399.923607][T15605] x64_sys_call+0x271c/0x2ee0 [ 399.923683][T15605] do_syscall_64+0x57/0xf0 [ 399.923737][T15605] ? clear_bhb_loop+0x50/0xa0 [ 399.923793][T15605] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 399.923879][T15605] RIP: 0033:0x7fccb0b5a94e [ 399.923934][T15605] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 399.923981][T15605] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 399.924047][T15605] RAX: ffffffffffffffda RBX: 00007fccb19d86c0 RCX: 00007fccb0b5a94e [ 399.924100][T15605] RDX: 0000000000000001 RSI: 00007fccb19d80a0 RDI: 0000000000000008 ** 33 printk messages dropped ** [ 399.952949][T15607] ? __fget_files+0x2c5/0x340 [ 399.953028][T15607] ksys_write+0x145/0x260 [ 399.953095][T15607] ? __cfi_ksys_write+0x10/0x10 [ 399.953170][T15607] ? __kasan_check_read+0x15/0x20 [ 399.953238][T15607] __x64_sys_write+0x7f/0x90 [ 399.953306][T15607] x64_sys_call+0x271c/0x2ee0 [ 399.953389][T15607] do_syscall_64+0x57/0xf0 [ 399.953445][T15607] ? clear_bhb_loop+0x50/0xa0 [ 399.953508][T15607] entry_SYSCALL_64_after_hwframe+0x76/0x7e ** 2 printk messages dropped ** [ 399.953710][T15607] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 79 printk messages dropped ** [ 400.073896][T15611] ? __kasan_check_write+0x18/0x20 [ 400.073969][T15611] ? mutex_lock+0x97/0x1d0 [ 400.074042][T15611] ? __cfi_mutex_lock+0x10/0x10 [ 400.074115][T15611] ? __fget_files+0x2c5/0x340 [ 400.074208][T15611] ksys_write+0x145/0x260 [ 400.074279][T15611] ? __cfi_ksys_write+0x10/0x10 [ 400.074363][T15611] ? __kasan_check_read+0x15/0x20 [ 400.074422][T15611] __x64_sys_write+0x7f/0x90 [ 400.074488][T15611] x64_sys_call+0x271c/0x2ee0 [ 400.074562][T15611] do_syscall_64+0x57/0xf0 [ 400.074627][T15611] ? clear_bhb_loop+0x50/0xa0 [ 400.074683][T15611] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 400.074768][T15611] RIP: 0033:0x7f2682f5a94e [ 400.074821][T15611] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 400.074867][T15611] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 35 printk messages dropped ** [ 400.118511][T15613] ? __fget_files+0x2c5/0x340 ** 43 printk messages dropped ** [ 400.183943][T15615] ? __kasan_check_write+0x18/0x20 [ 400.184016][T15615] ? mutex_lock+0x97/0x1d0 [ 400.184082][T15615] ? __cfi_mutex_lock+0x10/0x10 [ 400.184148][T15615] ? __fget_files+0x2c5/0x340 [ 400.184225][T15615] ksys_write+0x145/0x260 [ 400.184299][T15615] ? __cfi_ksys_write+0x10/0x10 [ 400.184397][T15615] ? __kasan_check_read+0x15/0x20 [ 400.184487][T15615] __x64_sys_write+0x7f/0x90 [ 400.184552][T15615] x64_sys_call+0x271c/0x2ee0 [ 400.184621][T15615] do_syscall_64+0x57/0xf0 [ 400.184675][T15615] ? clear_bhb_loop+0x50/0xa0 [ 400.184731][T15615] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 400.184818][T15615] RIP: 0033:0x7f2682f5a94e [ 400.184871][T15615] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 400.184924][T15615] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 400.184988][T15615] RAX: ffffffffffffffda RBX: 00007f2683d666c0 RCX: 00007f2682f5a94e [ 400.185038][T15615] RDX: 0000000000000001 RSI: 00007f2683d660a0 RDI: 0000000000000008 ** 33 printk messages dropped ** [ 400.223924][T15620] ? __fget_files+0x2c5/0x340 [ 400.224003][T15620] ksys_write+0x145/0x260 [ 400.224077][T15620] ? __cfi_ksys_write+0x10/0x10 [ 400.224144][T15620] ? __kasan_check_read+0x15/0x20 [ 400.224202][T15620] __x64_sys_write+0x7f/0x90 [ 400.224276][T15620] x64_sys_call+0x271c/0x2ee0 ** 41 printk messages dropped ** [ 400.281940][T15621] ? __fget_files+0x2c5/0x340 ** 41 printk messages dropped ** [ 400.328463][T15628] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 400.328534][T15628] vfs_write+0x3c5/0xf90 [ 400.328630][T15628] ? __cfi_vfs_write+0x10/0x10 [ 400.328682][T15628] ? __kasan_check_write+0x18/0x20 [ 400.328755][T15628] ? mutex_lock+0x97/0x1d0 [ 400.328822][T15628] ? __cfi_mutex_lock+0x10/0x10 ** 43 printk messages dropped ** [ 400.411620][T15627] ? __kasan_check_write+0x18/0x20 [ 400.411686][T15627] ? mutex_lock+0x97/0x1d0 [ 400.411751][T15627] ? __cfi_mutex_lock+0x10/0x10 [ 400.411822][T15627] ? __fget_files+0x2c5/0x340 [ 400.411907][T15627] ksys_write+0x145/0x260 [ 400.411973][T15627] ? __cfi_ksys_write+0x10/0x10 [ 400.412046][T15627] ? __kasan_check_read+0x15/0x20 [ 400.412111][T15627] __x64_sys_write+0x7f/0x90 [ 400.412185][T15627] x64_sys_call+0x271c/0x2ee0 [ 400.412262][T15627] do_syscall_64+0x57/0xf0 [ 400.412323][T15627] ? clear_bhb_loop+0x50/0xa0 [ 400.412396][T15627] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 400.412498][T15627] RIP: 0033:0x7fccb0b5a94e [ 400.412551][T15627] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 32 printk messages dropped ** [ 400.530924][T15630] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 400.530987][T15630] vfs_write+0x3c5/0xf90 [ 400.531053][T15630] ? __cfi_vfs_write+0x10/0x10 [ 400.531118][T15630] ? __kasan_check_write+0x18/0x20 [ 400.531190][T15630] ? mutex_lock+0x97/0x1d0 [ 400.531255][T15630] ? __cfi_mutex_lock+0x10/0x10 [ 400.531328][T15630] ? __fget_files+0x2c5/0x340 [ 400.531398][T15630] ksys_write+0x145/0x260 [ 400.531469][T15630] ? __cfi_ksys_write+0x10/0x10 [ 400.531543][T15630] ? __kasan_check_read+0x15/0x20 [ 400.531607][T15630] __x64_sys_write+0x7f/0x90 ** 37 printk messages dropped ** [ 400.534753][T15635] ? __cfi_vfs_write+0x10/0x10 ** 2 printk messages dropped ** [ 400.534945][T15635] ? __cfi_mutex_lock+0x10/0x10 [ 400.535019][T15635] ? __fget_files+0x2c5/0x340 [ 400.535098][T15635] ksys_write+0x145/0x260 [ 400.535169][T15635] ? __cfi_ksys_write+0x10/0x10 [ 400.535235][T15635] ? __kasan_check_read+0x15/0x20 [ 400.535300][T15635] __x64_sys_write+0x7f/0x90 ** 43 printk messages dropped ** [ 400.548566][T15633] ? __cfi_ksys_write+0x10/0x10 ** 40 printk messages dropped ** [ 400.647578][T15638] ? bpf_lsm_file_permission+0xd/0x20 [ 400.647633][T15638] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 400.647695][T15638] vfs_write+0x3c5/0xf90 [ 400.647762][T15638] ? __cfi_vfs_write+0x10/0x10 [ 400.647828][T15638] ? __kasan_check_write+0x18/0x20 [ 400.647894][T15638] ? mutex_lock+0x97/0x1d0 [ 400.647937][T15638] ? __cfi_mutex_lock+0x10/0x10 [ 400.647995][T15638] ? __fget_files+0x2c5/0x340 [ 400.648112][T15638] ksys_write+0x145/0x260 ** 17 printk messages dropped ** [ 400.665236][T15640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ** 21 printk messages dropped ** [ 400.666702][T15640] vfs_write+0x3c5/0xf90 [ 400.666777][T15640] ? __cfi_vfs_write+0x10/0x10 [ 400.666843][T15640] ? __kasan_check_write+0x18/0x20 [ 400.666918][T15640] ? mutex_lock+0x97/0x1d0 [ 400.667011][T15640] ? __cfi_mutex_lock+0x10/0x10 [ 400.667091][T15640] ? __fget_files+0x2c5/0x340 ** 41 printk messages dropped ** [ 400.737820][T15643] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 400.737883][T15643] vfs_write+0x3c5/0xf90 [ 400.737955][T15643] ? __cfi_vfs_write+0x10/0x10 [ 400.738019][T15643] ? __kasan_check_write+0x18/0x20 [ 400.738085][T15643] ? mutex_lock+0x97/0x1d0 [ 400.738190][T15643] ? __cfi_mutex_lock+0x10/0x10 [ 400.738239][T15643] ? __fget_files+0x2c5/0x340 [ 400.738316][T15643] ksys_write+0x145/0x260 ** 39 printk messages dropped ** [ 400.877274][T15647] ? vfs_writev+0xacb/0xe50 [ 400.877371][T15647] ? bpf_lsm_file_permission+0xd/0x20 [ 400.877445][T15647] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 400.877501][T15647] vfs_write+0x3c5/0xf90 [ 400.877540][T15647] ? __cfi_vfs_write+0x10/0x10 [ 400.877621][T15647] ? __kasan_check_write+0x18/0x20 [ 400.877689][T15647] ? mutex_lock+0x97/0x1d0 [ 400.877750][T15647] ? __cfi_mutex_lock+0x10/0x10 [ 400.877825][T15647] ? __fget_files+0x2c5/0x340 [ 400.877904][T15647] ksys_write+0x145/0x260 [ 400.877978][T15647] ? __cfi_ksys_write+0x10/0x10 [ 400.878046][T15647] ? __kasan_check_read+0x15/0x20 [ 400.878120][T15647] __x64_sys_write+0x7f/0x90 [ 400.878201][T15647] x64_sys_call+0x271c/0x2ee0 [ 400.878286][T15647] do_syscall_64+0x57/0xf0 [ 400.878340][T15647] ? clear_bhb_loop+0x50/0xa0 [ 400.878396][T15647] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 400.878483][T15647] RIP: 0033:0x7f805455a94e [ 400.878617][T15647] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 ** 9 printk messages dropped ** [ 401.049197][T15645] CPU: 1 UID: 0 PID: 15645 Comm: syz.2.7338 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 17 printk messages dropped ** [ 401.050388][T15645] proc_fail_nth_write+0x8f/0x220 [ 401.050443][T15645] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.050500][T15645] ? vfs_writev+0xacb/0xe50 [ 401.050592][T15645] ? bpf_lsm_file_permission+0xd/0x20 [ 401.050645][T15645] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.050708][T15645] vfs_write+0x3c5/0xf90 ** 38 printk messages dropped ** [ 401.104605][T15641] ? __cfi_kstrtouint_from_user+0x10/0x10 ** 5 printk messages dropped ** [ 401.104993][T15641] ? bpf_lsm_file_permission+0xd/0x20 [ 401.105049][T15641] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.105105][T15641] vfs_write+0x3c5/0xf90 [ 401.105171][T15641] ? __cfi_vfs_write+0x10/0x10 [ 401.105245][T15641] ? __kasan_check_write+0x18/0x20 ** 17 printk messages dropped ** [ 401.106371][T15641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 21 printk messages dropped ** [ 401.147649][T15652] proc_fail_nth_write+0x8f/0x220 [ 401.147711][T15652] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 1 printk messages dropped ** [ 401.147846][T15652] ? bpf_lsm_file_permission+0xd/0x20 ** 42 printk messages dropped ** [ 401.227365][T15654] ? selinux_file_permission+0x318/0xb60 [ 401.227431][T15654] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.227496][T15654] proc_fail_nth_write+0x8f/0x220 [ 401.227561][T15654] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.227615][T15654] ? vfs_writev+0xacb/0xe50 [ 401.227701][T15654] ? bpf_lsm_file_permission+0xd/0x20 [ 401.227777][T15654] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.227849][T15654] vfs_write+0x3c5/0xf90 [ 401.227933][T15654] ? __cfi_vfs_write+0x10/0x10 [ 401.228022][T15654] ? __kasan_check_write+0x18/0x20 [ 401.228097][T15654] ? mutex_lock+0x97/0x1d0 [ 401.228169][T15654] ? __cfi_mutex_lock+0x10/0x10 [ 401.228235][T15654] ? __fget_files+0x2c5/0x340 [ 401.228315][T15654] ksys_write+0x145/0x260 [ 401.228393][T15654] ? __cfi_ksys_write+0x10/0x10 [ 401.228460][T15654] ? __kasan_check_read+0x15/0x20 [ 401.228543][T15654] __x64_sys_write+0x7f/0x90 [ 401.228617][T15654] x64_sys_call+0x271c/0x2ee0 ** 9 printk messages dropped ** [ 401.229191][T15654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 ** 23 printk messages dropped ** [ 401.249968][T15650] ? bpf_lsm_file_permission+0xd/0x20 [ 401.250024][T15650] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.250079][T15650] vfs_write+0x3c5/0xf90 [ 401.250152][T15650] ? __cfi_vfs_write+0x10/0x10 [ 401.250216][T15650] ? __kasan_check_write+0x18/0x20 ** 22 printk messages dropped ** [ 401.362502][T15656] CPU: 1 UID: 0 PID: 15656 Comm: syz.2.7343 Not tainted syzkaller #0 dbf61673dffb8c26d890d9d1c8a7364d78f40563 ** 16 printk messages dropped ** [ 401.363681][T15656] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.363747][T15656] proc_fail_nth_write+0x8f/0x220 [ 401.363803][T15656] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.363866][T15656] ? vfs_writev+0xacb/0xe50 [ 401.363945][T15656] ? bpf_lsm_file_permission+0xd/0x20 [ 401.364007][T15656] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.364064][T15656] vfs_write+0x3c5/0xf90 ** 42 printk messages dropped ** [ 401.420034][T15658] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 401.481699][T15661] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.481761][T15661] proc_fail_nth_write+0x8f/0x220 [ 401.481824][T15661] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.481881][T15661] ? vfs_writev+0xacb/0xe50 [ 401.481968][T15661] ? bpf_lsm_file_permission+0xd/0x20 [ 401.482017][T15661] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.482087][T15661] vfs_write+0x3c5/0xf90 [ 401.482163][T15661] ? __cfi_vfs_write+0x10/0x10 [ 401.482235][T15661] ? __kasan_check_write+0x18/0x20 [ 401.482302][T15661] ? mutex_lock+0x97/0x1d0 [ 401.482368][T15661] ? __cfi_mutex_lock+0x10/0x10 [ 401.482434][T15661] ? __fget_files+0x2c5/0x340 [ 401.482531][T15661] ksys_write+0x145/0x260 ** 9 printk messages dropped ** [ 401.483180][T15661] RSP: 002b:00007fccb19d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 26 printk messages dropped ** [ 401.538463][T15664] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.538549][T15664] ? vfs_writev+0xacb/0xe50 [ 401.538650][T15664] ? bpf_lsm_file_permission+0xd/0x20 [ 401.538704][T15664] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.538767][T15664] vfs_write+0x3c5/0xf90 ** 41 printk messages dropped ** [ 401.607231][T15662] ? __cfi_selinux_file_permission+0x10/0x10 ** 45 printk messages dropped ** [ 401.610782][T15668] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.610844][T15668] proc_fail_nth_write+0x8f/0x220 [ 401.610899][T15668] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.610954][T15668] ? vfs_writev+0xacb/0xe50 [ 401.611039][T15668] ? bpf_lsm_file_permission+0xd/0x20 [ 401.611093][T15668] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.611156][T15668] vfs_write+0x3c5/0xf90 [ 401.611222][T15668] ? __cfi_vfs_write+0x10/0x10 [ 401.611308][T15668] ? __kasan_check_write+0x18/0x20 [ 401.611373][T15668] ? mutex_lock+0x97/0x1d0 [ 401.611437][T15668] ? __cfi_mutex_lock+0x10/0x10 [ 401.611502][T15668] ? __fget_files+0x2c5/0x340 [ 401.611573][T15668] ksys_write+0x145/0x260 [ 401.611639][T15668] ? xfd_validate_state+0x68/0x140 [ 401.611720][T15668] ? __cfi_ksys_write+0x10/0x10 ** 8 printk messages dropped ** [ 401.612343][T15668] RSP: 002b:00007f2683d65fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ** 23 printk messages dropped ** [ 401.678386][T15666] ? selinux_file_permission+0x318/0xb60 2026/02/15 15:37:17 executed programs: 7392 [ 401.678452][T15666] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.678508][T15666] proc_fail_nth_write+0x8f/0x220 [ 401.678581][T15666] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.678637][T15666] ? vfs_writev+0xacb/0xe50 [ 401.678721][T15666] ? bpf_lsm_file_permission+0xd/0x20 ** 42 printk messages dropped ** [ 401.786068][T15674] ? selinux_file_permission+0x318/0xb60 [ 401.786160][T15674] ? __cfi_selinux_file_permission+0x10/0x10 [ 401.786242][T15674] proc_fail_nth_write+0x8f/0x220 [ 401.786297][T15674] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.786352][T15674] ? vfs_writev+0xacb/0xe50 [ 401.786435][T15674] ? bpf_lsm_file_permission+0xd/0x20 [ 401.786508][T15674] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.786564][T15674] vfs_write+0x3c5/0xf90 ** 40 printk messages dropped ** [ 401.803155][T15670] proc_fail_nth_write+0x8f/0x220 [ 401.803216][T15670] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.803276][T15670] ? vfs_writev+0xacb/0xe50 ** 1 printk messages dropped ** [ 401.803415][T15670] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.803477][T15670] vfs_write+0x3c5/0xf90 [ 401.803560][T15670] ? __cfi_vfs_write+0x10/0x10 [ 401.803624][T15670] ? __kasan_check_write+0x18/0x20 [ 401.803696][T15670] ? mutex_lock+0x97/0x1d0 [ 401.803770][T15670] ? __cfi_mutex_lock+0x10/0x10 [ 401.803835][T15670] ? __fget_files+0x2c5/0x340 [ 401.803919][T15670] ksys_write+0x145/0x260 ** 36 printk messages dropped ** [ 401.909742][T15676] proc_fail_nth_write+0x8f/0x220 [ 401.909804][T15676] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.909859][T15676] ? vfs_writev+0xacb/0xe50 [ 401.909935][T15676] ? bpf_lsm_file_permission+0xd/0x20 [ 401.910002][T15676] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 401.910065][T15676] vfs_write+0x3c5/0xf90 [ 401.910166][T15676] ? __cfi_vfs_write+0x10/0x10 [ 401.910241][T15676] ? __kasan_check_write+0x18/0x20 ** 7 printk messages dropped ** [ 401.910804][T15676] x64_sys_call+0x271c/0x2ee0 ** 35 printk messages dropped ** [ 401.952855][T15673] vfs_write+0x3c5/0xf90 [ 401.952942][T15673] ? __cfi_vfs_write+0x10/0x10 [ 401.953040][T15673] ? __kasan_check_write+0x18/0x20 [ 401.953110][T15673] ? mutex_lock+0x97/0x1d0 [ 401.953169][T15673] ? __cfi_mutex_lock+0x10/0x10 ** 39 printk messages dropped ** [ 402.010922][T15682] ? __cfi_proc_fail_nth_write+0x10/0x10 ** 44 printk messages dropped ** [ 402.053078][T15678] ? __cfi_selinux_file_permission+0x10/0x10 [ 402.053143][T15678] proc_fail_nth_write+0x8f/0x220 [ 402.053206][T15678] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.053270][T15678] ? vfs_writev+0xacb/0xe50 [ 402.053355][T15678] ? bpf_lsm_file_permission+0xd/0x20 [ 402.053408][T15678] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.053464][T15678] vfs_write+0x3c5/0xf90 [ 402.053557][T15678] ? __cfi_vfs_write+0x10/0x10 [ 402.053635][T15678] ? __kasan_check_write+0x18/0x20 [ 402.053701][T15678] ? mutex_lock+0x97/0x1d0 [ 402.053766][T15678] ? __cfi_mutex_lock+0x10/0x10 [ 402.053831][T15678] ? __fget_files+0x2c5/0x340 [ 402.053916][T15678] ksys_write+0x145/0x260 [ 402.053996][T15678] ? __cfi_ksys_write+0x10/0x10 [ 402.054062][T15678] ? __kasan_check_read+0x15/0x20 [ 402.054135][T15678] __x64_sys_write+0x7f/0x90 ** 37 printk messages dropped ** [ 402.056785][T15684] ? __cfi_vfs_write+0x10/0x10 ** 17 printk messages dropped ** [ 402.057928][T15684] RBP: 00007fccb19d8090 R08: 0000000000000000 R09: 0000000000000000 ** 26 printk messages dropped ** [ 402.095277][T15686] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.095346][T15686] vfs_write+0x3c5/0xf90 [ 402.095460][T15686] ? __cfi_vfs_write+0x10/0x10 [ 402.095543][T15686] ? __kasan_check_write+0x18/0x20 [ 402.095617][T15686] ? mutex_lock+0x97/0x1d0 [ 402.095683][T15686] ? __cfi_mutex_lock+0x10/0x10 [ 402.095748][T15686] ? __fget_files+0x2c5/0x340 [ 402.095845][T15686] ksys_write+0x145/0x260 [ 402.095911][T15686] ? __cfi_ksys_write+0x10/0x10 [ 402.095979][T15686] ? __kasan_check_read+0x15/0x20 [ 402.096051][T15686] __x64_sys_write+0x7f/0x90 [ 402.096117][T15686] x64_sys_call+0x271c/0x2ee0 [ 402.096205][T15686] do_syscall_64+0x57/0xf0 [ 402.096264][T15686] ? clear_bhb_loop+0x50/0xa0 ** 34 printk messages dropped ** [ 402.184672][T15689] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.184748][T15689] vfs_write+0x3c5/0xf90 [ 402.184813][T15689] ? __cfi_vfs_write+0x10/0x10 [ 402.184877][T15689] ? __kasan_check_write+0x18/0x20 [ 402.184950][T15689] ? mutex_lock+0x97/0x1d0 [ 402.185014][T15689] ? __cfi_mutex_lock+0x10/0x10 [ 402.185080][T15689] ? __fget_files+0x2c5/0x340 [ 402.185158][T15689] ksys_write+0x145/0x260 ** 38 printk messages dropped ** [ 402.249663][T15683] ? vfs_writev+0xacb/0xe50 [ 402.249771][T15683] ? bpf_lsm_file_permission+0xd/0x20 [ 402.249832][T15683] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.249887][T15683] vfs_write+0x3c5/0xf90 [ 402.249954][T15683] ? __cfi_vfs_write+0x10/0x10 [ 402.250025][T15683] ? __kasan_check_write+0x18/0x20 [ 402.250090][T15683] ? mutex_lock+0x97/0x1d0 ** 50 printk messages dropped ** [ 402.259815][T15690] ? __kasan_check_read+0x15/0x20 ** 34 printk messages dropped ** [ 402.318489][T15694] proc_fail_nth_write+0x8f/0x220 [ 402.318544][T15694] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.318605][T15694] ? vfs_writev+0xacb/0xe50 [ 402.318702][T15694] ? bpf_lsm_file_permission+0xd/0x20 [ 402.318763][T15694] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.318817][T15694] vfs_write+0x3c5/0xf90 [ 402.318895][T15694] ? __cfi_vfs_write+0x10/0x10 [ 402.318961][T15694] ? __kasan_check_write+0x18/0x20 ** 40 printk messages dropped ** [ 402.342513][T15693] ? vfs_writev+0xacb/0xe50 ** 1 printk messages dropped ** [ 402.342655][T15693] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.342710][T15693] vfs_write+0x3c5/0xf90 [ 402.342782][T15693] ? __cfi_vfs_write+0x10/0x10 [ 402.342849][T15693] ? __kasan_check_write+0x18/0x20 ** 41 printk messages dropped ** [ 402.432269][T15696] ? vfs_writev+0xacb/0xe50 [ 402.432354][T15696] ? bpf_lsm_file_permission+0xd/0x20 [ 402.432409][T15696] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 402.432499][T15696] vfs_write+0x3c5/0xf90 [ 402.432572][T15696] ? __cfi_vfs_write+0x10/0x10 [ 402.432639][T15696] ? __kasan_check_write+0x18/0x20 [ 402.432705][T15696] ? mutex_lock+0x97/0x1d0 [ 402.432771][T15696] ? __cfi_mutex_lock+0x10/0x10