[ 65.191183][ T42] process_one_work+0x965/0x16a0 [ 65.196153][ T42] ? lock_release+0x800/0x800 [ 65.200860][ T42] ? pwq_dec_nr_in_flight+0x310/0x310 [ 65.206269][ T42] ? rwlock_bug.part.0+0x90/0x90 [ 65.211396][ T42] worker_thread+0x96/0xe10 [ 65.215947][ T42] ? process_one_work+0x16a0/0x16a0 [ 65.221184][ T42] kthread+0x388/0x470 [ 65.225283][ T42] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.231033][ T42] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.236782][ T42] ret_from_fork+0x24/0x30 [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about Sys[ 71.242266][ T6741] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6741 tem Runlevel Cha[ 71.253382][ T6741] caller is ext4_mb_new_blocks+0xa77/0x3b30 nges. [ 71.260652][ T6741] CPU: 0 PID: 6741 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 71.269484][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.279669][ T6741] Call Trace: [ 71.282987][ T6741] dump_stack+0x18f/0x20d [ 71.287358][ T6741] debug_smp_processor_id.cold+0x88/0x9b [ 71.293469][ T6741] ext4_mb_new_blocks+0xa77/0x3b30 [ 71.298774][ T6741] ? ext4_ext_search_right+0x2ca/0xb20 [ 71.304374][ T6741] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 71.310111][ T6741] ext4_ext_map_blocks+0x2044/0x3410 [ 71.315474][ T6741] ? ext4_ext_release+0x10/0x10 [ 71.320348][ T6741] ? __down_timeout+0x2d0/0x2d0 [ 71.325219][ T6741] ? ext4_es_lookup_extent+0x41d/0xd30 [ 71.330802][ T6741] ext4_map_blocks+0x4cb/0x1640 [ 71.335945][ T6741] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 71.341406][ T6741] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.347091][ T6741] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 71.353212][ T6741] ? prandom_u32_state+0xe/0x170 [ 71.358259][ T6741] ? __brelse+0x84/0xa0 [ 71.362419][ T6741] ? __ext4_new_inode+0x144/0x57c0 [ 71.367536][ T6741] ext4_getblk+0xad/0x520 [ 71.371849][ T6741] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 71.377566][ T6741] ? ext4_free_inode+0x17e0/0x17e0 [ 71.382704][ T6741] ext4_bread+0x7c/0x380 [ 71.386932][ T6741] ? ext4_getblk+0x520/0x520 [ 71.391507][ T6741] ? dqget+0xff0/0xff0 [ 71.395564][ T6741] ext4_append+0x153/0x360 [ 71.399963][ T6741] ext4_mkdir+0x5e0/0xdf0 [ 71.408555][ T6741] ? ext4_rmdir+0xde0/0xde0 [ 71.413069][ T6741] vfs_mkdir+0x419/0x690 [ 71.417309][ T6741] do_mkdirat+0x21e/0x280 [ 71.421731][ T6741] ? __ia32_sys_mknod+0xb0/0xb0 [ 71.426592][ T6741] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 71.432570][ T6741] ? do_syscall_64+0x21/0x7d0 [ 71.437416][ T6741] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 71.443419][ T6741] do_syscall_64+0xf6/0x7d0 [ 71.447921][ T6741] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 71.453981][ T6741] RIP: 0033:0x7fa492c70687 [ 71.458526][ T6741] Code: Bad RIP value. [ 71.462585][ T6741] RSP: 002b:00007ffcae21a488 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 71.470994][ T6741] RAX: ffffffffffffffda RBX: 000055b9526b4985 RCX: 00007fa492c70687 [ 71.478970][ T6741] RDX: 00007ffcae21a350 RSI: 00000000000001ed RDI: 000055b9526b4985 [ 71.487100][ T6741] RBP: 00007fa492c70680 R08: 0000000000000100 R09: 0000000000000000 [ 71.495306][ T6741] R10: 000055b9526b4980 R11: 0000000000000246 R12: 00000000000001ed [ 71.503566][ T6741] R13: 00007ffcae21a610 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. 2020/06/09 23:52:37 fuzzer started 2020/06/09 23:52:37 connecting to host at 10.128.0.26:42685 2020/06/09 23:52:37 checking machine... 2020/06/09 23:52:37 checking revisions... 2020/06/09 23:52:37 testing simple program... syzkaller login: [ 74.593840][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6817 [ 74.603058][ T6817] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 74.609070][ T6817] CPU: 0 PID: 6817 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 74.617015][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.627069][ T6817] Call Trace: [ 74.630382][ T6817] dump_stack+0x18f/0x20d [ 74.634712][ T6817] debug_smp_processor_id.cold+0x88/0x9b [ 74.640345][ T6817] ext4_mb_new_blocks+0xa77/0x3b30 [ 74.645730][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 74.651210][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 74.656930][ T6817] ext4_ext_map_blocks+0x2044/0x3410 [ 74.662217][ T6817] ? ext4_ext_release+0x10/0x10 [ 74.667331][ T6817] ? __down_timeout+0x2d0/0x2d0 [ 74.672360][ T6817] ? ext4_es_lookup_extent+0x41d/0xd30 [ 74.678147][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 74.683030][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 74.688208][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.693744][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 74.699718][ T6817] ? prandom_u32_state+0xe/0x170 [ 74.704642][ T6817] ? __brelse+0x84/0xa0 [ 74.709055][ T6817] ? __ext4_new_inode+0x144/0x57c0 [ 74.714148][ T6817] ext4_getblk+0xad/0x520 [ 74.718475][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 74.724275][ T6817] ? ext4_free_inode+0x17e0/0x17e0 [ 74.729367][ T6817] ext4_bread+0x7c/0x380 [ 74.733606][ T6817] ? ext4_getblk+0x520/0x520 [ 74.738173][ T6817] ? dqget+0xff0/0xff0 [ 74.742225][ T6817] ext4_append+0x153/0x360 [ 74.746623][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 74.750936][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 74.755426][ T6817] vfs_mkdir+0x419/0x690 [ 74.759668][ T6817] do_mkdirat+0x21e/0x280 [ 74.763977][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 74.768812][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 74.774777][ T6817] ? do_syscall_64+0x21/0x7d0 [ 74.779454][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 74.785432][ T6817] do_syscall_64+0xf6/0x7d0 [ 74.789945][ T6817] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 74.795816][ T6817] RIP: 0033:0x4b02a0 [ 74.799683][ T6817] Code: Bad RIP value. [ 74.803727][ T6817] RSP: 002b:000000c0000d74b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 74.812113][ T6817] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 74.820062][ T6817] RDX: 00000000000001c0 RSI: 000000c0000e2260 RDI: ffffffffffffff9c [ 74.828021][ T6817] RBP: 000000c0000d7510 R08: 0000000000000000 R09: 0000000000000000 [ 74.835972][ T6817] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 74.843940][ T6817] R13: 0000000000000014 R14: 0000000000000013 R15: 0000000000000100 [ 74.872611][ T28] audit: type=1400 audit(1591746758.131:8): avc: denied { execmem } for pid=6830 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 74.873481][ T6830] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6830 [ 74.904097][ T6830] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 74.909997][ T6830] CPU: 1 PID: 6830 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 74.918608][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.928734][ T6830] Call Trace: [ 74.932059][ T6830] dump_stack+0x18f/0x20d [ 74.936391][ T6830] debug_smp_processor_id.cold+0x88/0x9b [ 74.942033][ T6830] ext4_mb_new_blocks+0xa77/0x3b30 [ 74.947412][ T6830] ? ext4_ext_search_right+0x2ca/0xb20 [ 74.952898][ T6830] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 74.958626][ T6830] ext4_ext_map_blocks+0x2044/0x3410 [ 74.964045][ T6830] ? ext4_ext_release+0x10/0x10 [ 74.969132][ T6830] ? __down_timeout+0x2d0/0x2d0 [ 74.974005][ T6830] ? ext4_es_lookup_extent+0x41d/0xd30 [ 74.979476][ T6830] ext4_map_blocks+0x4cb/0x1640 [ 74.984317][ T6830] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 74.989494][ T6830] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.995017][ T6830] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 75.001224][ T6830] ? prandom_u32_state+0xe/0x170 [ 75.006296][ T6830] ? __brelse+0x84/0xa0 [ 75.010502][ T6830] ? __ext4_new_inode+0x144/0x57c0 [ 75.015647][ T6830] ext4_getblk+0xad/0x520 [ 75.019965][ T6830] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 75.025676][ T6830] ? ext4_free_inode+0x17e0/0x17e0 [ 75.030789][ T6830] ext4_bread+0x7c/0x380 [ 75.035035][ T6830] ? ext4_getblk+0x520/0x520 [ 75.039619][ T6830] ? dqget+0xff0/0xff0 [ 75.043679][ T6830] ? security_transition_sid+0x123/0x190 [ 75.049340][ T6830] ? security_transition_sid+0xed/0x190 [ 75.054904][ T6830] ext4_append+0x153/0x360 [ 75.059750][ T6830] ext4_mkdir+0x5e0/0xdf0 [ 75.064211][ T6830] ? ext4_rmdir+0xde0/0xde0 [ 75.069063][ T6830] vfs_mkdir+0x419/0x690 [ 75.073326][ T6830] do_mkdirat+0x21e/0x280 [ 75.077655][ T6830] ? __ia32_sys_mknod+0xb0/0xb0 [ 75.082486][ T6830] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.088547][ T6830] ? do_syscall_64+0x21/0x7d0 [ 75.093272][ T6830] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.099629][ T6830] do_syscall_64+0xf6/0x7d0 [ 75.104150][ T6830] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 75.110047][ T6830] RIP: 0033:0x45bee7 [ 75.114103][ T6830] Code: Bad RIP value. [ 75.118177][ T6830] RSP: 002b:00007ffde19d3998 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 75.126827][ T6830] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 75.135057][ T6830] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffde19d3b70 [ 75.143073][ T6830] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003400 [ 75.152018][ T6830] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 75.160126][ T6830] R13: 00007ffde19d3b70 R14: 8421084210842109 R15: 00007ffde19d3b7c [ 75.259724][ T6831] IPVS: ftp: loaded support on port[0] = 21 [ 75.301633][ T6831] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6831 [ 75.311111][ T6831] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 75.317037][ T6831] CPU: 0 PID: 6831 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 75.325269][ T6831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.335313][ T6831] Call Trace: [ 75.338614][ T6831] dump_stack+0x18f/0x20d [ 75.342945][ T6831] debug_smp_processor_id.cold+0x88/0x9b [ 75.348574][ T6831] ext4_mb_new_blocks+0xa77/0x3b30 [ 75.353673][ T6831] ? ext4_ext_search_right+0x2ca/0xb20 [ 75.359129][ T6831] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 75.364842][ T6831] ext4_ext_map_blocks+0x2044/0x3410 [ 75.370164][ T6831] ? ext4_ext_release+0x10/0x10 [ 75.375061][ T6831] ? __down_timeout+0x2d0/0x2d0 [ 75.379911][ T6831] ? ext4_es_lookup_extent+0x41d/0xd30 [ 75.385356][ T6831] ext4_map_blocks+0x4cb/0x1640 [ 75.390193][ T6831] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 75.395386][ T6831] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.400984][ T6831] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 75.406998][ T6831] ? prandom_u32_state+0xe/0x170 [ 75.412006][ T6831] ? __brelse+0x84/0xa0 [ 75.416173][ T6831] ? __ext4_new_inode+0x144/0x57c0 [ 75.421275][ T6831] ext4_getblk+0xad/0x520 [ 75.425589][ T6831] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 75.431410][ T6831] ? ext4_free_inode+0x17e0/0x17e0 [ 75.437408][ T6831] ext4_bread+0x7c/0x380 [ 75.441649][ T6831] ? ext4_getblk+0x520/0x520 [ 75.446239][ T6831] ? dqget+0xff0/0xff0 [ 75.450311][ T6831] ? security_transition_sid+0x123/0x190 [ 75.455965][ T6831] ? security_transition_sid+0xed/0x190 [ 75.461523][ T6831] ext4_append+0x153/0x360 [ 75.465985][ T6831] ext4_mkdir+0x5e0/0xdf0 [ 75.470421][ T6831] ? ext4_rmdir+0xde0/0xde0 [ 75.474979][ T6831] vfs_mkdir+0x419/0x690 [ 75.479245][ T6831] do_mkdirat+0x21e/0x280 [ 75.483602][ T6831] ? __ia32_sys_mknod+0xb0/0xb0 [ 75.488443][ T6831] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.494423][ T6831] ? do_syscall_64+0x21/0x7d0 [ 75.499078][ T6831] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.505038][ T6831] do_syscall_64+0xf6/0x7d0 [ 75.509548][ T6831] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 75.515456][ T6831] RIP: 0033:0x45bee7 [ 75.519547][ T6831] Code: Bad RIP value. [ 75.523827][ T6831] RSP: 002b:00007ffde19d3888 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 75.532270][ T6831] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 75.540262][ T6831] RDX: 00007ffde19d38d3 RSI: 00000000000001ff RDI: 00007ffde19d38d0 [ 75.548403][ T6831] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 75.556517][ T6831] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 75.564645][ T6831] R13: 00007ffde19d38c0 R14: 0000000000000000 R15: 00007ffde19d38d0 [ 75.618687][ T6831] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6831 [ 75.628378][ T6831] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 75.634525][ T6831] CPU: 1 PID: 6831 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 75.642777][ T6831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.653274][ T6831] Call Trace: [ 75.656582][ T6831] dump_stack+0x18f/0x20d [ 75.660941][ T6831] debug_smp_processor_id.cold+0x88/0x9b [ 75.666698][ T6831] ext4_mb_new_blocks+0xa77/0x3b30 [ 75.671856][ T6831] ? ext4_ext_search_right+0x2ca/0xb20 [ 75.677354][ T6831] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 75.683111][ T6831] ext4_ext_map_blocks+0x2044/0x3410 [ 75.688435][ T6831] ? ext4_ext_release+0x10/0x10 [ 75.693340][ T6831] ? __down_timeout+0x2d0/0x2d0 [ 75.698226][ T6831] ? ext4_es_lookup_extent+0x41d/0xd30 [ 75.703690][ T6831] ext4_map_blocks+0x4cb/0x1640 [ 75.708550][ T6831] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 75.713753][ T6831] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.719987][ T6831] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 75.726006][ T6831] ? prandom_u32_state+0xe/0x170 [ 75.730941][ T6831] ? __brelse+0x84/0xa0 [ 75.735283][ T6831] ? __ext4_new_inode+0x144/0x57c0 [ 75.740400][ T6831] ext4_getblk+0xad/0x520 [ 75.744718][ T6831] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 75.750581][ T6831] ? ext4_free_inode+0x17e0/0x17e0 [ 75.755688][ T6831] ext4_bread+0x7c/0x380 [ 75.760073][ T6831] ? ext4_getblk+0x520/0x520 [ 75.764680][ T6831] ? dqget+0xff0/0xff0 [ 75.768742][ T6831] ? security_transition_sid+0x123/0x190 [ 75.774454][ T6831] ? security_transition_sid+0xed/0x190 [ 75.780011][ T6831] ext4_append+0x153/0x360 [ 75.784561][ T6831] ext4_mkdir+0x5e0/0xdf0 [ 75.788916][ T6831] ? ext4_rmdir+0xde0/0xde0 [ 75.793443][ T6831] vfs_mkdir+0x419/0x690 [ 75.797682][ T6831] do_mkdirat+0x21e/0x280 [ 75.802119][ T6831] ? __ia32_sys_mknod+0xb0/0xb0 [ 75.807249][ T6831] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.813251][ T6831] ? do_syscall_64+0x21/0x7d0 [ 75.817923][ T6831] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 75.823930][ T6831] do_syscall_64+0xf6/0x7d0 [ 75.828449][ T6831] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 75.834325][ T6831] RIP: 0033:0x45bee7 [ 75.838212][ T6831] Code: Bad RIP value. [ 75.842275][ T6831] RSP: 002b:00007ffde19d3888 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 75.850813][ T6831] RAX: ffffffffffffffda RBX: 000000000001275d RCX: 000000000045bee7 [ 75.858949][ T6831] RDX: 00007ffde19d38d3 RSI: 00000000000001ff RDI: 00007ffde19d38d0 2020/06/09 23:52:39 building call list... [ 75.867105][ T6831] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 75.875273][ T6831] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 75.883536][ T6831] R13: 00007ffde19d38c0 R14: 000000000001274f R15: 00007ffde19d38d0 [ 76.160073][ T42] tipc: TX() has been purged, node left! [ 76.910008][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 76.919457][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 76.925714][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 76.933756][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.943845][ T1155] Call Trace: [ 76.947206][ T1155] dump_stack+0x18f/0x20d [ 76.951577][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 76.957230][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 76.962461][ T1155] ? __kmalloc+0x62f/0x7a0 [ 76.966920][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 76.972586][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 76.978325][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 76.983654][ T1155] ? ext4_ext_release+0x10/0x10 [ 76.988553][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 76.993440][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 76.998938][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 77.003800][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 77.009182][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 77.015576][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.021153][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.027136][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 77.032641][ T1155] ext4_writepages+0x1ab7/0x3400 [ 77.037603][ T1155] ? mark_lock+0x50/0xdd0 [ 77.041942][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.047598][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.053890][ T1155] ? do_writepages+0xfa/0x2a0 [ 77.058728][ T1155] do_writepages+0xfa/0x2a0 [ 77.063364][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 77.069020][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 77.074127][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 77.079511][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 77.084584][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 77.090541][ T1155] ? collapse_file+0x3575/0x4300 [ 77.095822][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 77.101974][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 77.107275][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.113456][ T1155] collapse_file+0x357f/0x4300 [ 77.118412][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 77.123825][ T1155] ? khugepaged+0x24fa/0x3f80 [ 77.128774][ T1155] ? hash_net4_add+0x1548/0x2a00 [ 77.133774][ T1155] khugepaged+0x3049/0x3f80 [ 77.138474][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.144213][ T1155] ? lock_downgrade+0x840/0x840 [ 77.149324][ T1155] ? finish_wait+0x260/0x260 [ 77.153941][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 77.159900][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.166062][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 77.171124][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.177566][ T1155] kthread+0x388/0x470 [ 77.181664][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.187534][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.193389][ T1155] ret_from_fork+0x24/0x30 [ 77.288517][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 77.297892][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 77.303944][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 77.311848][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.321921][ T1155] Call Trace: [ 77.325247][ T1155] dump_stack+0x18f/0x20d [ 77.329607][ T1155] debug_smp_processor_id.cold+0x88/0x9b executing program [ 77.335339][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 77.340498][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 77.346021][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 77.352217][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 77.357523][ T1155] ? ext4_ext_release+0x10/0x10 [ 77.362410][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 77.367286][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 77.372783][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 77.377643][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 77.382859][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 77.388332][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.393874][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.399851][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 77.405344][ T1155] ext4_writepages+0x1ab7/0x3400 [ 77.410324][ T1155] ? mark_lock+0x50/0xdd0 [ 77.415216][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.420904][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.426532][ T1155] ? do_writepages+0xfa/0x2a0 [ 77.431207][ T1155] do_writepages+0xfa/0x2a0 [ 77.435733][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 77.441361][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 77.446397][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 77.451622][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 77.456474][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 77.462196][ T1155] ? collapse_file+0x3575/0x4300 [ 77.467131][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 77.473208][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 77.478408][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.484393][ T1155] collapse_file+0x357f/0x4300 [ 77.489181][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 77.494558][ T1155] ? khugepaged+0x24fa/0x3f80 [ 77.499249][ T1155] ? hash_net4_add+0x1548/0x2a00 [ 77.504197][ T1155] khugepaged+0x3049/0x3f80 [ 77.508752][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.514383][ T1155] ? lock_downgrade+0x840/0x840 [ 77.519260][ T1155] ? finish_wait+0x260/0x260 [ 77.523888][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 77.529735][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.535729][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 77.540750][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.546425][ T1155] kthread+0x388/0x470 [ 77.550964][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.556819][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.562552][ T1155] ret_from_fork+0x24/0x30 [ 77.662199][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 77.671431][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 77.677354][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 77.685346][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.695418][ T1155] Call Trace: [ 77.698752][ T1155] dump_stack+0x18f/0x20d [ 77.703109][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 77.708774][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 77.714124][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 77.719609][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 77.725908][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 77.731213][ T1155] ? ext4_ext_release+0x10/0x10 [ 77.736066][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 77.741829][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 77.747587][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 77.752708][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 77.757937][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 77.763418][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.769054][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.775048][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 77.781152][ T1155] ext4_writepages+0x1ab7/0x3400 [ 77.786099][ T1155] ? mark_lock+0x50/0xdd0 [ 77.790599][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.796330][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 77.802336][ T1155] ? do_writepages+0xfa/0x2a0 [ 77.807327][ T1155] do_writepages+0xfa/0x2a0 [ 77.812265][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 77.818913][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 77.823942][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 77.829284][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 77.834257][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 77.840129][ T1155] ? collapse_file+0x3575/0x4300 [ 77.845054][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 77.851127][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 77.856319][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.862309][ T1155] collapse_file+0x357f/0x4300 [ 77.867518][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 77.873048][ T1155] ? khugepaged+0x24fa/0x3f80 [ 77.877986][ T1155] ? hash_net4_add+0x1548/0x2a00 [ 77.882948][ T1155] khugepaged+0x3049/0x3f80 [ 77.887458][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.893109][ T1155] ? lock_downgrade+0x840/0x840 [ 77.897960][ T1155] ? finish_wait+0x260/0x260 [ 77.902840][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 77.908658][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 77.914652][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 77.919803][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 77.925596][ T1155] kthread+0x388/0x470 [ 77.929676][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.935388][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 77.941111][ T1155] ret_from_fork+0x24/0x30 [ 78.218367][ T6816] can: request_module (can-proto-0) failed. [ 78.988152][ T6816] can: request_module (can-proto-0) failed. [ 79.001121][ T6816] can: request_module (can-proto-0) failed. [ 79.055705][ T28] audit: type=1400 audit(1591746762.302:9): avc: denied { create } for pid=6812 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1