Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ 56.079656][ T6728] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728 [ 56.089490][ T6728] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.089505][ T6728] CPU: 1 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 56.089519][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.114650][ T6728] Call Trace: [ 56.117944][ T6728] dump_stack+0x188/0x20d [ 56.122667][ T6728] debug_smp_processor_id.cold+0x88/0x9b [ 56.128302][ T6728] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.133443][ T6728] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.138920][ T6728] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.144655][ T6728] ext4_ext_map_blocks+0x2044/0x3410 [ 56.149962][ T6728] ? ext4_ext_release+0x10/0x10 [ 56.154837][ T6728] ? __down_timeout+0x2d0/0x2d0 [ 56.159711][ T6728] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.165173][ T6728] ext4_map_blocks+0x4cb/0x1640 [ 56.170037][ T6728] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.175239][ T6728] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.180887][ T6728] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.186881][ T6728] ? prandom_u32_state+0xe/0x170 [ 56.192155][ T6728] ? __brelse+0x84/0xa0 [ 56.196303][ T6728] ? __ext4_new_inode+0x144/0x57c0 [ 56.201494][ T6728] ext4_getblk+0xad/0x520 [ 56.205819][ T6728] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 56.211716][ T6728] ? ext4_free_inode+0x17e0/0x17e0 [ 56.216827][ T6728] ext4_bread+0x7c/0x380 [ 56.221104][ T6728] ? ext4_getblk+0x520/0x520 [ 56.225688][ T6728] ? dqget+0xff0/0xff0 [ 56.229773][ T6728] ext4_append+0x153/0x360 [ 56.234205][ T6728] ext4_mkdir+0x5e0/0xdf0 [ 56.238534][ T6728] ? ext4_rmdir+0xde0/0xde0 [ 56.243028][ T6728] ? security_inode_permission+0xc4/0xf0 [ 56.248644][ T6728] vfs_mkdir+0x419/0x690 [ 56.253027][ T6728] do_mkdirat+0x21e/0x280 [ 56.257354][ T6728] ? __ia32_sys_mknod+0xb0/0xb0 [ 56.262445][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.268432][ T6728] ? do_syscall_64+0x21/0x7d0 [ 56.273171][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.279158][ T6728] do_syscall_64+0xf6/0x7d0 [ 56.283665][ T6728] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.289549][ T6728] RIP: 0033:0x7fb2f5133687 [ 56.293955][ T6728] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 56.313541][ T6728] RSP: 002b:00007fff4b105058 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 56.322916][ T6728] RAX: ffffffffffffffda RBX: 0000565223aef985 RCX: 00007fb2f5133687 [ 56.330911][ T6728] RDX: 00007fff4b104f20 RSI: 00000000000001ed RDI: 0000565223aef985 [ 56.338877][ T6728] RBP: 00007fb2f5133680 R08: 0000000000000100 R09: 0000000000000000 [ 56.346846][ T6728] R10: 0000565223aef980 R11: 0000000000000246 R12: 00000000000001ed [ 56.354939][ T6728] R13: 00007fff4b1051e0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. 2020/06/13 02:34:09 fuzzer started 2020/06/13 02:34:09 connecting to host at 10.128.0.26:41199 2020/06/13 02:34:09 checking machine... 2020/06/13 02:34:09 checking revisions... 2020/06/13 02:34:09 testing simple program... syzkaller login: [ 61.743500][ T6800] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6800 [ 61.752606][ T6800] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.758575][ T6800] CPU: 1 PID: 6800 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 61.766465][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.776508][ T6800] Call Trace: [ 61.779804][ T6800] dump_stack+0x188/0x20d [ 61.784972][ T6800] debug_smp_processor_id.cold+0x88/0x9b [ 61.790618][ T6800] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.795743][ T6800] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.801274][ T6800] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.807304][ T6800] ext4_ext_map_blocks+0x2044/0x3410 [ 61.812600][ T6800] ? ext4_ext_release+0x10/0x10 [ 61.817443][ T6800] ? __down_timeout+0x2d0/0x2d0 [ 61.822283][ T6800] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.827738][ T6800] ext4_map_blocks+0x4cb/0x1640 [ 61.832582][ T6800] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.837783][ T6800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.843339][ T6800] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.849312][ T6800] ? prandom_u32_state+0xe/0x170 [ 61.854534][ T6800] ? __brelse+0x84/0xa0 [ 61.858861][ T6800] ? __ext4_new_inode+0x144/0x57c0 [ 61.864823][ T6800] ext4_getblk+0xad/0x520 [ 61.869461][ T6800] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.875308][ T6800] ? ext4_free_inode+0x17e0/0x17e0 [ 61.882789][ T6800] ext4_bread+0x7c/0x380 [ 61.887041][ T6800] ? ext4_getblk+0x520/0x520 [ 61.891711][ T6800] ? dqget+0xff0/0xff0 [ 61.895787][ T6800] ext4_append+0x153/0x360 [ 61.900194][ T6800] ext4_mkdir+0x5e0/0xdf0 [ 61.904813][ T6800] ? ext4_rmdir+0xde0/0xde0 [ 61.909311][ T6800] ? security_inode_permission+0xc4/0xf0 [ 61.915226][ T6800] vfs_mkdir+0x419/0x690 [ 61.919464][ T6800] do_mkdirat+0x21e/0x280 [ 61.923831][ T6800] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.930420][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.937994][ T6800] ? do_syscall_64+0x21/0x7d0 [ 61.943870][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.950243][ T6800] do_syscall_64+0xf6/0x7d0 [ 61.955588][ T6800] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.961587][ T6800] RIP: 0033:0x4b02a0 [ 61.965474][ T6800] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 61.985154][ T6800] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 61.993555][ T6800] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 62.001518][ T6800] RDX: 00000000000001c0 RSI: 000000c0004568c0 RDI: ffffffffffffff9c [ 62.009480][ T6800] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 62.017461][ T6800] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 62.025587][ T6800] R13: 0000000000000047 R14: 0000000000000046 R15: 0000000000000100 [ 62.042727][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 62.052243][ T6815] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.058303][ T6815] CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 62.066539][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.076763][ T6815] Call Trace: [ 62.080050][ T6815] dump_stack+0x188/0x20d [ 62.084373][ T6815] debug_smp_processor_id.cold+0x88/0x9b [ 62.091109][ T6815] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.096339][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.101803][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.107517][ T6815] ext4_ext_map_blocks+0x2044/0x3410 [ 62.113068][ T6815] ? ext4_ext_release+0x10/0x10 [ 62.117922][ T6815] ? __down_timeout+0x2d0/0x2d0 [ 62.122761][ T6815] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.128220][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 62.133050][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.138233][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.143755][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.149721][ T6815] ? prandom_u32_state+0xe/0x170 [ 62.154639][ T6815] ? __brelse+0x84/0xa0 [ 62.158812][ T6815] ? __ext4_new_inode+0x144/0x57c0 [ 62.163911][ T6815] ext4_getblk+0xad/0x520 [ 62.169090][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.174804][ T6815] ? ext4_free_inode+0x17e0/0x17e0 [ 62.179969][ T6815] ext4_bread+0x7c/0x380 [ 62.185393][ T6815] ? ext4_getblk+0x520/0x520 [ 62.190251][ T6815] ? dqget+0xff0/0xff0 [ 62.196559][ T6815] ext4_append+0x153/0x360 [ 62.201759][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 62.206527][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 62.211911][ T6815] ? security_inode_permission+0xc4/0xf0 [ 62.218668][ T6815] vfs_mkdir+0x419/0x690 [ 62.223298][ T6815] do_mkdirat+0x21e/0x280 [ 62.227899][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.233946][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.241342][ T6815] ? do_syscall_64+0x21/0x7d0 [ 62.246815][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.254576][ T6815] do_syscall_64+0xf6/0x7d0 [ 62.259637][ T6815] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 62.266855][ T6815] RIP: 0033:0x45bee7 [ 62.271200][ T6815] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.293189][ T6815] RSP: 002b:00007fff9b6d62d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.302557][ T6815] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 62.310911][ T6815] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007fff9b6d64b0 [ 62.320193][ T6815] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002ac0 [ 62.330340][ T6815] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 62.339047][ T6815] R13: 00007fff9b6d64b0 R14: 8421084210842109 R15: 00007fff9b6d64bc [ 62.427141][ T6816] IPVS: ftp: loaded support on port[0] = 21 [ 62.462236][ T6816] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6816 [ 62.471950][ T6816] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.478042][ T6816] CPU: 0 PID: 6816 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 62.486281][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.496324][ T6816] Call Trace: [ 62.499605][ T6816] dump_stack+0x188/0x20d [ 62.503923][ T6816] debug_smp_processor_id.cold+0x88/0x9b [ 62.509548][ T6816] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.514643][ T6816] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.520078][ T6816] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.525781][ T6816] ext4_ext_map_blocks+0x2044/0x3410 [ 62.531048][ T6816] ? ext4_ext_release+0x10/0x10 [ 62.535884][ T6816] ? __down_timeout+0x2d0/0x2d0 [ 62.540708][ T6816] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.546150][ T6816] ext4_map_blocks+0x4cb/0x1640 [ 62.550995][ T6816] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.556166][ T6816] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.561783][ T6816] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.567736][ T6816] ? prandom_u32_state+0xe/0x170 [ 62.572662][ T6816] ? __brelse+0x84/0xa0 [ 62.576815][ T6816] ? __ext4_new_inode+0x144/0x57c0 [ 62.581908][ T6816] ext4_getblk+0xad/0x520 [ 62.586378][ T6816] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.592097][ T6816] ? ext4_free_inode+0x17e0/0x17e0 [ 62.597195][ T6816] ext4_bread+0x7c/0x380 [ 62.602814][ T6816] ? ext4_getblk+0x520/0x520 [ 62.607401][ T6816] ? dqget+0xff0/0xff0 [ 62.611477][ T6816] ext4_append+0x153/0x360 [ 62.615892][ T6816] ext4_mkdir+0x5e0/0xdf0 [ 62.620304][ T6816] ? ext4_rmdir+0xde0/0xde0 [ 62.624887][ T6816] ? security_inode_permission+0xc4/0xf0 [ 62.630499][ T6816] vfs_mkdir+0x419/0x690 [ 62.634828][ T6816] do_mkdirat+0x21e/0x280 [ 62.639401][ T6816] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.644328][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.650294][ T6816] ? do_syscall_64+0x21/0x7d0 [ 62.654971][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.660960][ T6816] do_syscall_64+0xf6/0x7d0 [ 62.665523][ T6816] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 62.671810][ T6816] RIP: 0033:0x45bee7 [ 62.675726][ T6816] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.695681][ T6816] RSP: 002b:00007fff9b6d61c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 62.704071][ T6816] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 62.712105][ T6816] RDX: 00007fff9b6d6213 RSI: 00000000000001ff RDI: 00007fff9b6d6210 [ 62.720411][ T6816] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 62.728375][ T6816] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 62.736600][ T6816] R13: 00007fff9b6d6200 R14: 0000000000000000 R15: 00007fff9b6d6210 [ 62.809016][ T6816] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6816 [ 62.818539][ T6816] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.824645][ T6816] CPU: 0 PID: 6816 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 62.832880][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.843033][ T6816] Call Trace: [ 62.846339][ T6816] dump_stack+0x188/0x20d [ 62.850680][ T6816] debug_smp_processor_id.cold+0x88/0x9b [ 62.856327][ T6816] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.861450][ T6816] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.866897][ T6816] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.872621][ T6816] ext4_ext_map_blocks+0x2044/0x3410 [ 62.878448][ T6816] ? ext4_ext_release+0x10/0x10 [ 62.883299][ T6816] ? __down_timeout+0x2d0/0x2d0 [ 62.888133][ T6816] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.893686][ T6816] ext4_map_blocks+0x4cb/0x1640 [ 62.898522][ T6816] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.903707][ T6816] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.909325][ T6816] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.915284][ T6816] ? prandom_u32_state+0xe/0x170 [ 62.920209][ T6816] ? __brelse+0x84/0xa0 [ 62.924373][ T6816] ? __ext4_new_inode+0x144/0x57c0 [ 62.929616][ T6816] ext4_getblk+0xad/0x520 [ 62.934031][ T6816] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.939774][ T6816] ? ext4_free_inode+0x17e0/0x17e0 [ 62.944871][ T6816] ext4_bread+0x7c/0x380 [ 62.949273][ T6816] ? ext4_getblk+0x520/0x520 [ 62.953848][ T6816] ? dqget+0xff0/0xff0 [ 62.958075][ T6816] ext4_append+0x153/0x360 [ 62.962668][ T6816] ext4_mkdir+0x5e0/0xdf0 [ 62.967717][ T6816] ? ext4_rmdir+0xde0/0xde0 [ 62.972233][ T6816] ? security_inode_permission+0xc4/0xf0 [ 62.977871][ T6816] vfs_mkdir+0x419/0x690 [ 62.982107][ T6816] do_mkdirat+0x21e/0x280 [ 62.986444][ T6816] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.992152][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.999535][ T6816] ? do_syscall_64+0x21/0x7d0 [ 63.004297][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.011045][ T6816] do_syscall_64+0xf6/0x7d0 [ 63.015806][ T6816] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.022812][ T6816] RIP: 0033:0x45bee7 [ 63.026890][ T6816] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.047241][ T6816] RSP: 002b:00007fff9b6d61c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 63.056242][ T6816] RAX: ffffffffffffffda RBX: 000000000000f54e RCX: 000000000045bee7 [ 63.066049][ T6816] RDX: 00007fff9b6d6213 RSI: 00000000000001ff RDI: 00007fff9b6d6210 [ 63.074759][ T6816] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 63.083277][ T6816] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 63.091718][ T6816] R13: 00007fff9b6d6200 R14: 000000000000f53f R15: 00007fff9b6d6210 2020/06/13 02:34:11 building call list... [ 63.374009][ T230] tipc: TX() has been purged, node left! [ 64.181339][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 64.191113][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.199061][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.207148][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.217464][ T1157] Call Trace: [ 64.220777][ T1157] dump_stack+0x188/0x20d [ 64.225121][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 64.231535][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.236665][ T1157] ? __kmalloc+0x62f/0x7a0 [ 64.241201][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.246924][ T1157] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.252749][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 64.258079][ T1157] ? ext4_ext_release+0x10/0x10 [ 64.263096][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 64.267954][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.273426][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 64.278762][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.283956][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 64.289705][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.295607][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.301594][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.307596][ T1157] ext4_writepages+0x1ab7/0x3400 [ 64.312981][ T1157] ? mark_lock+0x30/0xdd0 [ 64.317359][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.323021][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.328651][ T1157] ? do_writepages+0xfa/0x2a0 [ 64.333334][ T1157] do_writepages+0xfa/0x2a0 [ 64.337856][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 64.343595][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 64.348890][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 64.354571][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 64.359602][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.365501][ T1157] ? collapse_file+0x3575/0x4300 [ 64.372525][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.379268][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.385096][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.391449][ T1157] collapse_file+0x357f/0x4300 [ 64.397101][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 64.402758][ T1157] ? khugepaged+0x24fa/0x3f80 [ 64.407739][ T1157] khugepaged+0x3049/0x3f80 [ 64.412282][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.418156][ T1157] ? lock_downgrade+0x840/0x840 [ 64.423193][ T1157] ? finish_wait+0x260/0x260 [ 64.428048][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.434312][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.440562][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 64.447574][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.453616][ T1157] kthread+0x388/0x470 [ 64.457975][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.465954][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.472121][ T1157] ret_from_fork+0x24/0x30 executing program [ 64.615691][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 64.625323][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.631603][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.640614][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.652635][ T1157] Call Trace: [ 64.656163][ T1157] dump_stack+0x188/0x20d [ 64.660746][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 64.666670][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.672144][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.678070][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.684449][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 64.689825][ T1157] ? ext4_ext_release+0x10/0x10 [ 64.696200][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 64.703322][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.712705][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 64.717564][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.722747][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 64.728798][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.734344][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.740325][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.745773][ T1157] ext4_writepages+0x1ab7/0x3400 [ 64.750804][ T1157] ? mark_lock+0x30/0xdd0 [ 64.755648][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.761322][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.766955][ T1157] ? do_writepages+0xfa/0x2a0 [ 64.771709][ T1157] do_writepages+0xfa/0x2a0 [ 64.776222][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 64.781921][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 64.786922][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 64.792097][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 64.796939][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.802650][ T1157] ? collapse_file+0x3575/0x4300 [ 64.807576][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.813635][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.818834][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.824793][ T1157] collapse_file+0x357f/0x4300 [ 64.829560][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 64.834908][ T1157] ? khugepaged+0x24fa/0x3f80 [ 64.839581][ T1157] khugepaged+0x3049/0x3f80 [ 64.844087][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.849707][ T1157] ? lock_downgrade+0x840/0x840 [ 64.854535][ T1157] ? finish_wait+0x260/0x260 [ 64.859972][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.866899][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.872870][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 64.877898][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.883540][ T1157] kthread+0x388/0x470 [ 64.887607][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.893317][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.899038][ T1157] ret_from_fork+0x24/0x30 [ 64.938001][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 64.948874][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.957510][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.965963][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.977027][ T1157] Call Trace: [ 64.982049][ T1157] dump_stack+0x188/0x20d [ 64.986392][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 64.992040][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.998065][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.003720][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 65.010322][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 65.015720][ T1157] ? ext4_ext_release+0x10/0x10 [ 65.020842][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 65.025776][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 65.031578][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 65.036516][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.043693][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 65.049521][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.055071][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.061347][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 65.068027][ T1157] ext4_writepages+0x1ab7/0x3400 [ 65.073054][ T1157] ? mark_lock+0x30/0xdd0 [ 65.077546][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.083257][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.089709][ T1157] ? do_writepages+0xfa/0x2a0 [ 65.094394][ T1157] do_writepages+0xfa/0x2a0 [ 65.099005][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 65.104957][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 65.110078][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 65.115716][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 65.120691][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 65.126492][ T1157] ? collapse_file+0x3575/0x4300 [ 65.131874][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 65.137941][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 65.143226][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.149643][ T1157] collapse_file+0x357f/0x4300 [ 65.154586][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 65.160371][ T1157] ? khugepaged+0x24fa/0x3f80 [ 65.165055][ T1157] khugepaged+0x3049/0x3f80 [ 65.169681][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.175317][ T1157] ? lock_downgrade+0x840/0x840 [ 65.181236][ T1157] ? finish_wait+0x260/0x260 [ 65.185823][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 65.191609][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.197580][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 65.202586][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.208212][ T1157] kthread+0x388/0x470 [ 65.212256][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.217954][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.223666][ T1157] ret_from_fork+0x24/0x30 [ 65.368559][ T6812] can: request_module (can-proto-0) failed. [ 66.208952][ T6812] can: request_module (can-proto-0) failed. [ 66.221425][ T6812] can: request_module (can-proto-0) failed.