[ 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 System Runlevel Changes. [ 53.139771][ T6724] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6724 [ 53.149384][ T6724] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.155760][ T6724] CPU: 1 PID: 6724 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.163998][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.174079][ T6724] Call Trace: [ 53.177493][ T6724] dump_stack+0x188/0x20d [ 53.181842][ T6724] debug_smp_processor_id.cold+0x88/0x9b [ 53.187504][ T6724] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.192608][ T6724] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.198063][ T6724] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.203771][ T6724] ext4_ext_map_blocks+0x2044/0x3410 [ 53.209046][ T6724] ? ext4_ext_release+0x10/0x10 [ 53.214063][ T6724] ? __down_timeout+0x2d0/0x2d0 [ 53.218890][ T6724] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.224348][ T6724] ext4_map_blocks+0x4cb/0x1640 [ 53.229187][ T6724] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.234385][ T6724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.239925][ T6724] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.245914][ T6724] ? prandom_u32_state+0xe/0x170 [ 53.250884][ T6724] ? __brelse+0x84/0xa0 [ 53.255029][ T6724] ? __ext4_new_inode+0x144/0x57c0 [ 53.260158][ T6724] ext4_getblk+0xad/0x520 [ 53.264504][ T6724] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.270325][ T6724] ? ext4_free_inode+0x17e0/0x17e0 [ 53.275883][ T6724] ext4_bread+0x7c/0x380 [ 53.280354][ T6724] ? ext4_getblk+0x520/0x520 [ 53.284933][ T6724] ? dqget+0xff0/0xff0 [ 53.289009][ T6724] ext4_append+0x153/0x360 [ 53.293531][ T6724] ext4_mkdir+0x5e0/0xdf0 [ 53.297857][ T6724] ? ext4_rmdir+0xde0/0xde0 [ 53.302625][ T6724] ? security_inode_permission+0xc4/0xf0 [ 53.308265][ T6724] vfs_mkdir+0x419/0x690 [ 53.312519][ T6724] do_mkdirat+0x21e/0x280 [ 53.316832][ T6724] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.321665][ T6724] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.327629][ T6724] ? do_syscall_64+0x21/0x7d0 [ 53.332820][ T6724] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.339047][ T6724] do_syscall_64+0xf6/0x7d0 [ 53.343541][ T6724] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.349429][ T6724] RIP: 0033:0x7facc3a90687 [ 53.353830][ T6724] 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 [ 53.373790][ T6724] RSP: 002b:00007fff1586ca28 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.383204][ T6724] RAX: ffffffffffffffda RBX: 000055e83c4b0985 RCX: 00007facc3a90687 [ 53.391254][ T6724] RDX: 00007fff1586c8f0 RSI: 00000000000001ed RDI: 000055e83c4b0985 [ 53.399306][ T6724] RBP: 00007facc3a90680 R08: 0000000000000100 R09: 0000000000000000 [ 53.407358][ T6724] R10: 000055e83c4b0980 R11: 0000000000000246 R12: 00000000000001ed [ 53.415317][ T6724] R13: 00007fff1586cbb0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts. 2020/06/16 06:19:14 fuzzer started 2020/06/16 06:19:15 connecting to host at 10.128.0.26:37461 2020/06/16 06:19:15 checking machine... 2020/06/16 06:19:15 checking revisions... 2020/06/16 06:19:15 testing simple program... syzkaller login: [ 58.131405][ T6792] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6792 [ 58.140914][ T6792] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.147246][ T6792] CPU: 0 PID: 6792 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.155171][ T6792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.165243][ T6792] Call Trace: [ 58.168755][ T6792] dump_stack+0x188/0x20d [ 58.173171][ T6792] debug_smp_processor_id.cold+0x88/0x9b [ 58.178805][ T6792] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.183936][ T6792] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.189384][ T6792] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.195109][ T6792] ext4_ext_map_blocks+0x2044/0x3410 [ 58.200406][ T6792] ? ext4_ext_release+0x10/0x10 [ 58.205253][ T6792] ? __down_timeout+0x2d0/0x2d0 [ 58.210083][ T6792] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.215530][ T6792] ext4_map_blocks+0x4cb/0x1640 [ 58.220365][ T6792] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.225564][ T6792] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.231107][ T6792] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.237156][ T6792] ? prandom_u32_state+0xe/0x170 [ 58.242071][ T6792] ? __brelse+0x84/0xa0 [ 58.246210][ T6792] ? __ext4_new_inode+0x144/0x57c0 [ 58.251300][ T6792] ext4_getblk+0xad/0x520 [ 58.255610][ T6792] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.261320][ T6792] ? ext4_free_inode+0x17e0/0x17e0 [ 58.266421][ T6792] ext4_bread+0x7c/0x380 [ 58.270652][ T6792] ? ext4_getblk+0x520/0x520 [ 58.275814][ T6792] ? dqget+0xff0/0xff0 [ 58.279898][ T6792] ext4_append+0x153/0x360 [ 58.284341][ T6792] ext4_mkdir+0x5e0/0xdf0 [ 58.288999][ T6792] ? ext4_rmdir+0xde0/0xde0 [ 58.294391][ T6792] ? security_inode_permission+0xc4/0xf0 [ 58.300039][ T6792] vfs_mkdir+0x419/0x690 [ 58.304295][ T6792] do_mkdirat+0x21e/0x280 [ 58.308720][ T6792] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.313568][ T6792] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.319552][ T6792] ? do_syscall_64+0x21/0x7d0 [ 58.324232][ T6792] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.330281][ T6792] do_syscall_64+0xf6/0x7d0 [ 58.334785][ T6792] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.341146][ T6792] RIP: 0033:0x4b02a0 [ 58.345042][ T6792] 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 [ 58.364682][ T6792] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.373221][ T6792] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 58.381333][ T6792] RDX: 00000000000001c0 RSI: 000000c0003043c0 RDI: ffffffffffffff9c [ 58.389615][ T6792] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 58.397611][ T6792] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.405573][ T6792] R13: 000000000000001f R14: 000000000000001e R15: 0000000000000100 [ 58.425752][ T6805] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6805 [ 58.435340][ T6805] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.441645][ T6805] CPU: 1 PID: 6805 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.449885][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.459923][ T6805] Call Trace: [ 58.463214][ T6805] dump_stack+0x188/0x20d [ 58.467554][ T6805] debug_smp_processor_id.cold+0x88/0x9b [ 58.473205][ T6805] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.478351][ T6805] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.483857][ T6805] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.489631][ T6805] ext4_ext_map_blocks+0x2044/0x3410 [ 58.494940][ T6805] ? ext4_ext_release+0x10/0x10 [ 58.499828][ T6805] ? __down_timeout+0x2d0/0x2d0 [ 58.504789][ T6805] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.510437][ T6805] ext4_map_blocks+0x4cb/0x1640 [ 58.515303][ T6805] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.520515][ T6805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.526464][ T6805] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.532458][ T6805] ? prandom_u32_state+0xe/0x170 [ 58.537534][ T6805] ? __brelse+0x84/0xa0 [ 58.541676][ T6805] ? __ext4_new_inode+0x144/0x57c0 [ 58.546795][ T6805] ext4_getblk+0xad/0x520 [ 58.551125][ T6805] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.556832][ T6805] ? ext4_free_inode+0x17e0/0x17e0 [ 58.561926][ T6805] ext4_bread+0x7c/0x380 [ 58.566151][ T6805] ? ext4_getblk+0x520/0x520 [ 58.570767][ T6805] ? dqget+0xff0/0xff0 [ 58.574994][ T6805] ext4_append+0x153/0x360 [ 58.579596][ T6805] ext4_mkdir+0x5e0/0xdf0 [ 58.584041][ T6805] ? ext4_rmdir+0xde0/0xde0 [ 58.588826][ T6805] ? security_inode_permission+0xc4/0xf0 [ 58.594529][ T6805] vfs_mkdir+0x419/0x690 [ 58.598764][ T6805] do_mkdirat+0x21e/0x280 [ 58.603102][ T6805] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.608025][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.614019][ T6805] ? do_syscall_64+0x21/0x7d0 [ 58.618697][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.624781][ T6805] do_syscall_64+0xf6/0x7d0 [ 58.629269][ T6805] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.635212][ T6805] RIP: 0033:0x45bed7 [ 58.639319][ T6805] 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 [ 58.659037][ T6805] RSP: 002b:00007fff04897c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.667556][ T6805] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bed7 [ 58.675523][ T6805] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff04897e40 [ 58.683722][ T6805] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003280 [ 58.691874][ T6805] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.699951][ T6805] R13: 00007fff04897e40 R14: 8421084210842109 R15: 00007fff04897e4c [ 58.786282][ T6807] IPVS: ftp: loaded support on port[0] = 21 [ 58.822784][ T6807] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6807 [ 58.832749][ T6807] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.839070][ T6807] CPU: 0 PID: 6807 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.847689][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.857828][ T6807] Call Trace: [ 58.861282][ T6807] dump_stack+0x188/0x20d [ 58.865596][ T6807] debug_smp_processor_id.cold+0x88/0x9b [ 58.871479][ T6807] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.876637][ T6807] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.882261][ T6807] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.888073][ T6807] ext4_ext_map_blocks+0x2044/0x3410 [ 58.893461][ T6807] ? ext4_ext_release+0x10/0x10 [ 58.898322][ T6807] ? __down_timeout+0x2d0/0x2d0 [ 58.903762][ T6807] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.909391][ T6807] ext4_map_blocks+0x4cb/0x1640 [ 58.914263][ T6807] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.919440][ T6807] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.925004][ T6807] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.931146][ T6807] ? prandom_u32_state+0xe/0x170 [ 58.936077][ T6807] ? __brelse+0x84/0xa0 [ 58.940235][ T6807] ? __ext4_new_inode+0x144/0x57c0 [ 58.945374][ T6807] ext4_getblk+0xad/0x520 [ 58.950033][ T6807] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.955906][ T6807] ? ext4_free_inode+0x17e0/0x17e0 [ 58.961031][ T6807] ext4_bread+0x7c/0x380 [ 58.965284][ T6807] ? ext4_getblk+0x520/0x520 [ 58.969856][ T6807] ? dqget+0xff0/0xff0 [ 58.974010][ T6807] ext4_append+0x153/0x360 [ 58.978731][ T6807] ext4_mkdir+0x5e0/0xdf0 [ 58.983050][ T6807] ? ext4_rmdir+0xde0/0xde0 [ 58.987540][ T6807] ? security_inode_permission+0xc4/0xf0 [ 58.993168][ T6807] vfs_mkdir+0x419/0x690 [ 58.997564][ T6807] do_mkdirat+0x21e/0x280 [ 59.001906][ T6807] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.006787][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.012761][ T6807] ? do_syscall_64+0x21/0x7d0 [ 59.017418][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.023383][ T6807] do_syscall_64+0xf6/0x7d0 [ 59.027886][ T6807] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.034026][ T6807] RIP: 0033:0x45bed7 [ 59.038091][ T6807] 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 [ 59.058732][ T6807] RSP: 002b:00007fff04897b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.067429][ T6807] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bed7 [ 59.075491][ T6807] RDX: 00007fff04897ba3 RSI: 00000000000001ff RDI: 00007fff04897ba0 [ 59.083859][ T6807] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.091978][ T6807] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185c0 [ 59.099939][ T6807] R13: 00007fff04897b90 R14: 0000000000000000 R15: 00007fff04897ba0 [ 59.153953][ T6807] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6807 [ 59.163428][ T6807] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.169421][ T6807] CPU: 0 PID: 6807 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.178000][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.188048][ T6807] Call Trace: [ 59.191371][ T6807] dump_stack+0x188/0x20d [ 59.195713][ T6807] debug_smp_processor_id.cold+0x88/0x9b [ 59.201358][ T6807] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.206593][ T6807] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.212062][ T6807] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.221439][ T6807] ext4_ext_map_blocks+0x2044/0x3410 [ 59.226746][ T6807] ? ext4_ext_release+0x10/0x10 [ 59.232575][ T6807] ? __down_timeout+0x2d0/0x2d0 [ 59.237416][ T6807] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.242857][ T6807] ext4_map_blocks+0x4cb/0x1640 [ 59.247703][ T6807] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.252878][ T6807] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.258407][ T6807] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.264383][ T6807] ? prandom_u32_state+0xe/0x170 [ 59.269410][ T6807] ? __brelse+0x84/0xa0 [ 59.273670][ T6807] ? __ext4_new_inode+0x144/0x57c0 [ 59.278895][ T6807] ext4_getblk+0xad/0x520 [ 59.283307][ T6807] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.289106][ T6807] ? ext4_free_inode+0x17e0/0x17e0 [ 59.294305][ T6807] ext4_bread+0x7c/0x380 [ 59.298764][ T6807] ? ext4_getblk+0x520/0x520 [ 59.303345][ T6807] ? dqget+0xff0/0xff0 [ 59.307427][ T6807] ext4_append+0x153/0x360 [ 59.312154][ T6807] ext4_mkdir+0x5e0/0xdf0 [ 59.316607][ T6807] ? ext4_rmdir+0xde0/0xde0 [ 59.321215][ T6807] ? security_inode_permission+0xc4/0xf0 [ 59.326839][ T6807] vfs_mkdir+0x419/0x690 [ 59.331271][ T6807] do_mkdirat+0x21e/0x280 [ 59.335602][ T6807] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.340568][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.346728][ T6807] ? do_syscall_64+0x21/0x7d0 [ 59.351393][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.357363][ T6807] do_syscall_64+0xf6/0x7d0 [ 59.361868][ T6807] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.367956][ T6807] RIP: 0033:0x45bed7 [ 59.371838][ T6807] 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 [ 59.391745][ T6807] RSP: 002b:00007fff04897b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 2020/06/16 06:19:16 building call list... [ 59.400218][ T6807] RAX: ffffffffffffffda RBX: 000000000000e703 RCX: 000000000045bed7 [ 59.408227][ T6807] RDX: 00007fff04897ba3 RSI: 00000000000001ff RDI: 00007fff04897ba0 [ 59.416257][ T6807] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.424216][ T6807] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.432315][ T6807] R13: 00007fff04897b90 R14: 000000000000e6ef R15: 00007fff04897ba0 [ 59.753345][ T26] tipc: TX() has been purged, node left! executing program [ 61.163353][ T6787] can: request_module (can-proto-0) failed. [ 61.666876][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 61.676067][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.682043][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.690292][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.700340][ T1154] Call Trace: [ 61.703645][ T1154] dump_stack+0x188/0x20d [ 61.707975][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 61.713693][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.718813][ T1154] ? __kmalloc+0x62f/0x7a0 [ 61.723227][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.728682][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.734404][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 61.739799][ T1154] ? ext4_ext_release+0x10/0x10 [ 61.744696][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 61.749541][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.755003][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 61.759861][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.765675][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 61.771227][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.776980][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.783065][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.788686][ T1154] ext4_writepages+0x1ab7/0x3400 [ 61.793608][ T1154] ? mark_lock+0x30/0xdd0 [ 61.797942][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.803573][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.809205][ T1154] ? do_writepages+0xfa/0x2a0 [ 61.814058][ T1154] do_writepages+0xfa/0x2a0 [ 61.818593][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 61.824214][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 61.829420][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 61.834651][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 61.839644][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.845395][ T1154] ? collapse_file+0x3575/0x4300 [ 61.850354][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.856418][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.861620][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.867592][ T1154] collapse_file+0x357f/0x4300 [ 61.872357][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 61.877897][ T1154] ? khugepaged+0x24fa/0x3f80 [ 61.882771][ T1154] khugepaged+0x3049/0x3f80 [ 61.887279][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.892911][ T1154] ? lock_downgrade+0x840/0x840 [ 61.897763][ T1154] ? finish_wait+0x260/0x260 [ 61.902477][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.908288][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.915919][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 61.920946][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.926566][ T1154] kthread+0x388/0x470 [ 61.930651][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.936429][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.942943][ T1154] ret_from_fork+0x24/0x30 [ 62.020437][ T6787] can: request_module (can-proto-0) failed. [ 62.034770][ T6787] can: request_module (can-proto-0) failed. [ 62.047856][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 62.057004][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.063129][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.071022][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.081277][ T1154] Call Trace: [ 62.084588][ T1154] dump_stack+0x188/0x20d [ 62.088941][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 62.094595][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.099735][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.105212][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.111477][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 62.116794][ T1154] ? ext4_ext_release+0x10/0x10 [ 62.121679][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 62.126936][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.132439][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 62.137320][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.142536][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 62.148017][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.153579][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.159574][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.165057][ T1154] ext4_writepages+0x1ab7/0x3400 [ 62.170009][ T1154] ? mark_lock+0x30/0xdd0 [ 62.174418][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.180094][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.185772][ T1154] ? do_writepages+0xfa/0x2a0 [ 62.190462][ T1154] do_writepages+0xfa/0x2a0 [ 62.195072][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 62.200894][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 62.205943][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 62.212026][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 62.216895][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.222624][ T1154] ? collapse_file+0x3575/0x4300 [ 62.227606][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.233694][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.238905][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.244910][ T1154] collapse_file+0x357f/0x4300 [ 62.249706][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 62.255186][ T1154] ? khugepaged+0x24fa/0x3f80 [ 62.259903][ T1154] khugepaged+0x3049/0x3f80 [ 62.264448][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.270094][ T1154] ? lock_downgrade+0x840/0x840 [ 62.274957][ T1154] ? finish_wait+0x260/0x260 [ 62.279560][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.285381][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.291381][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 62.296421][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.302156][ T1154] kthread+0x388/0x470 [ 62.306332][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.312079][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.317817][ T1154] ret_from_fork+0x24/0x30 [ 62.386232][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 62.395551][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.401461][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.409441][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.419498][ T1154] Call Trace: [ 62.422854][ T1154] dump_stack+0x188/0x20d [ 62.427169][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 62.432905][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.437998][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.443534][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.449666][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 62.454935][ T1154] ? ext4_ext_release+0x10/0x10 [ 62.459774][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 62.464603][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.470067][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 62.474920][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.480109][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 62.485552][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.491076][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.497049][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.502550][ T1154] ext4_writepages+0x1ab7/0x3400 [ 62.507486][ T1154] ? mark_lock+0x30/0xdd0 [ 62.511828][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.517608][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.523449][ T1154] ? do_writepages+0xfa/0x2a0 [ 62.528118][ T1154] do_writepages+0xfa/0x2a0 [ 62.532614][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 62.538334][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 62.543407][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 62.548785][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 62.553650][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.559373][ T1154] ? collapse_file+0x3575/0x4300 [ 62.564447][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.570528][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.575727][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.581705][ T1154] collapse_file+0x357f/0x4300 [ 62.586462][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 62.591829][ T1154] ? khugepaged+0x24fa/0x3f80 [ 62.597218][ T1154] khugepaged+0x3049/0x3f80 [ 62.601711][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.607329][ T1154] ? lock_downgrade+0x840/0x840 [ 62.612178][ T1154] ? finish_wait+0x260/0x260 [ 62.617113][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.623157][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.629120][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 62.634123][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.639730][ T1154] kthread+0x388/0x470 [ 62.643779][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.649486][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.655186][ T1154] ret_from_fork+0x24/0x30