Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts. 2021/09/28 13:05:04 fuzzer started 2021/09/28 13:05:05 connecting to host at 10.128.0.169:33739 2021/09/28 13:05:05 checking machine... 2021/09/28 13:05:05 checking revisions... 2021/09/28 13:05:05 testing simple program... syzkaller login: [ 68.983597][ T6551] chnl_net:caif_netlink_parms(): no params data found [ 69.052651][ T6551] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.064181][ T6551] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.072325][ T6551] device bridge_slave_0 entered promiscuous mode [ 69.081964][ T6551] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.089714][ T6551] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.097979][ T6551] device bridge_slave_1 entered promiscuous mode [ 69.129569][ T6551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.141296][ T6551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.175198][ T6551] team0: Port device team_slave_0 added [ 69.183520][ T6551] team0: Port device team_slave_1 added [ 69.210191][ T6551] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.217376][ T6551] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.243507][ T6551] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.256581][ T6551] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.264521][ T6551] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.290731][ T6551] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.328640][ T6551] device hsr_slave_0 entered promiscuous mode [ 69.335753][ T6551] device hsr_slave_1 entered promiscuous mode [ 69.417010][ T6551] ------------[ cut here ]------------ [ 69.422651][ T6551] WARNING: CPU: 0 PID: 6551 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 69.433228][ T6551] Modules linked in: [ 69.437142][ T6551] CPU: 0 PID: 6551 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210928-syzkaller #0 [ 69.447179][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.457345][ T6551] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 69.463945][ T6551] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 21 3c 45 fa e8 1c 3c 45 fa <0f> 0b e9 f7 fe ff ff e8 10 3c 45 fa 0f 0b eb da 4c 89 e7 e8 f4 69 [ 69.485050][ T6551] RSP: 0018:ffffc90002d3f658 EFLAGS: 00010293 [ 69.491264][ T6551] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.499636][ T6551] RDX: ffff88801bb81d00 RSI: ffffffff87310754 RDI: 0000000000000003 [ 69.507729][ T6551] RBP: ffff88801c9f1500 R08: 0000000000000000 R09: 0000000000000000 [ 69.515794][ T6551] R10: ffffffff8731064a R11: 0000000000000000 R12: ffff888073f4b000 [ 69.523843][ T6551] R13: 0000000000000000 R14: 000000000000002c R15: ffff888073f4b070 [ 69.532094][ T6551] FS: 00005555557fa400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.542251][ T6551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.549516][ T6551] CR2: 00007ffdf956de6c CR3: 0000000067436000 CR4: 00000000003506f0 [ 69.557646][ T6551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.566414][ T6551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.574466][ T6551] Call Trace: [ 69.577764][ T6551] [ 69.580820][ T6551] devlink_region_create+0x39f/0x4c0 [ 69.587682][ T6551] nsim_dev_probe+0x5f6/0x1150 [ 69.592464][ T6551] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 69.598092][ T6551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.604676][ T6551] ? kernfs_create_link+0x1b3/0x230 [ 69.610138][ T6551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.616657][ T6551] ? kernfs_put+0x31/0x50 [ 69.621122][ T6551] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.627712][ T6551] ? sysfs_do_create_link_sd+0xbb/0x140 [ 69.633592][ T6551] ? sysfs_create_link+0x67/0xc0 [ 69.638702][ T6551] ? nsim_bus_remove+0x20/0x20 [ 69.643564][ T6551] really_probe+0x245/0xcc0 [ 69.648090][ T6551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.654510][ T6551] __driver_probe_device+0x338/0x4d0 [ 69.659859][ T6551] driver_probe_device+0x4c/0x1a0 [ 69.664973][ T6551] __device_attach_driver+0x20b/0x2f0 [ 69.670551][ T6551] ? driver_allows_async_probing+0x150/0x150 [ 69.676774][ T6551] bus_for_each_drv+0x15f/0x1e0 [ 69.681663][ T6551] ? bus_for_each_dev+0x1d0/0x1d0 [ 69.686801][ T6551] ? rcu_read_lock_sched_held+0x3a/0x70 [ 69.692409][ T6551] __device_attach+0x228/0x4a0 [ 69.697314][ T6551] ? device_driver_attach+0x210/0x210 [ 69.702717][ T6551] ? kobject_uevent_env+0x2bb/0x1650 [ 69.708145][ T6551] bus_probe_device+0x1e4/0x290 [ 69.713363][ T6551] device_add+0xc35/0x21b0 [ 69.717900][ T6551] ? lockdep_init_map_type+0x2c3/0x7b0 [ 69.723423][ T6551] ? lockdep_init_map_type+0x2c3/0x7b0 [ 69.728903][ T6551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 69.735219][ T6551] ? __raw_spin_lock_init+0x36/0x110 [ 69.740538][ T6551] new_device_store+0x48b/0x770 [ 69.745480][ T6551] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 69.753591][ T6551] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 69.759496][ T6551] ? sysfs_file_ops+0x1c0/0x1c0 [ 69.764428][ T6551] bus_attr_store+0x72/0xa0 [ 69.769087][ T6551] ? bus_attr_show+0x90/0x90 [ 69.773786][ T6551] sysfs_kf_write+0x110/0x160 [ 69.778485][ T6551] kernfs_fop_write_iter+0x342/0x500 [ 69.783851][ T6551] new_sync_write+0x429/0x660 [ 69.788832][ T6551] ? new_sync_read+0x6e0/0x6e0 [ 69.793708][ T6551] ? lock_release+0x720/0x720 [ 69.798419][ T6551] vfs_write+0x7cf/0xae0 [ 69.803049][ T6551] ksys_write+0x12d/0x250 [ 69.807402][ T6551] ? __ia32_sys_read+0xb0/0xb0 [ 69.812228][ T6551] ? syscall_enter_from_user_mode+0x21/0x70 [ 69.818302][ T6551] do_syscall_64+0x35/0xb0 [ 69.822825][ T6551] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.828877][ T6551] RIP: 0033:0x7fa39cf243ef [ 69.833586][ T6551] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 69.853723][ T6551] RSP: 002b:00007ffc8a5afde0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 69.862491][ T6551] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa39cf243ef [ 69.870586][ T6551] RDX: 0000000000000003 RSI: 00007ffc8a5afe30 RDI: 0000000000000004 [ 69.878654][ T6551] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffc8a5afd80 [ 69.886748][ T6551] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa39cfcb971 [ 69.894910][ T6551] R13: 00007ffc8a5afe30 R14: 0000000000000000 R15: 00007ffc8a5b0500 [ 69.903001][ T6551] [ 69.906046][ T6551] Kernel panic - not syncing: panic_on_warn set ... [ 69.912621][ T6551] CPU: 0 PID: 6551 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210928-syzkaller #0 [ 69.922781][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.932933][ T6551] Call Trace: [ 69.936214][ T6551] [ 69.939174][ T6551] dump_stack_lvl+0xcd/0x134 [ 69.943861][ T6551] panic+0x2b0/0x6dd [ 69.947789][ T6551] ? __warn_printk+0xf3/0xf3 [ 69.952560][ T6551] ? __warn.cold+0x1a/0x44 [ 69.956998][ T6551] ? devlink_nl_region_notify+0x184/0x1e0 [ 69.962923][ T6551] __warn.cold+0x35/0x44 [ 69.967220][ T6551] ? devlink_nl_region_notify+0x184/0x1e0 [ 69.972962][ T6551] report_bug+0x1bd/0x210 [ 69.977303][ T6551] handle_bug+0x3c/0x60 [ 69.981464][ T6551] exc_invalid_op+0x14/0x40 [ 69.986154][ T6551] asm_exc_invalid_op+0x12/0x20 [ 69.991097][ T6551] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 69.997436][ T6551] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 21 3c 45 fa e8 1c 3c 45 fa <0f> 0b e9 f7 fe ff ff e8 10 3c 45 fa 0f 0b eb da 4c 89 e7 e8 f4 69 [ 70.017238][ T6551] RSP: 0018:ffffc90002d3f658 EFLAGS: 00010293 [ 70.023333][ T6551] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.031475][ T6551] RDX: ffff88801bb81d00 RSI: ffffffff87310754 RDI: 0000000000000003 [ 70.039459][ T6551] RBP: ffff88801c9f1500 R08: 0000000000000000 R09: 0000000000000000 [ 70.047430][ T6551] R10: ffffffff8731064a R11: 0000000000000000 R12: ffff888073f4b000 [ 70.055409][ T6551] R13: 0000000000000000 R14: 000000000000002c R15: ffff888073f4b070 [ 70.063420][ T6551] ? devlink_nl_region_notify+0x7a/0x1e0 [ 70.069341][ T6551] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.075083][ T6551] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.081469][ T6551] devlink_region_create+0x39f/0x4c0 [ 70.086858][ T6551] nsim_dev_probe+0x5f6/0x1150 [ 70.091919][ T6551] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 70.097563][ T6551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.104079][ T6551] ? kernfs_create_link+0x1b3/0x230 [ 70.109279][ T6551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.115714][ T6551] ? kernfs_put+0x31/0x50 [ 70.120583][ T6551] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.127023][ T6551] ? sysfs_do_create_link_sd+0xbb/0x140 [ 70.132763][ T6551] ? sysfs_create_link+0x67/0xc0 [ 70.138325][ T6551] ? nsim_bus_remove+0x20/0x20 [ 70.143195][ T6551] really_probe+0x245/0xcc0 [ 70.148048][ T6551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.154732][ T6551] __driver_probe_device+0x338/0x4d0 [ 70.160042][ T6551] driver_probe_device+0x4c/0x1a0 [ 70.165268][ T6551] __device_attach_driver+0x20b/0x2f0 [ 70.170997][ T6551] ? driver_allows_async_probing+0x150/0x150 [ 70.176997][ T6551] bus_for_each_drv+0x15f/0x1e0 [ 70.181891][ T6551] ? bus_for_each_dev+0x1d0/0x1d0 [ 70.186943][ T6551] ? rcu_read_lock_sched_held+0x3a/0x70 [ 70.192636][ T6551] __device_attach+0x228/0x4a0 [ 70.197407][ T6551] ? device_driver_attach+0x210/0x210 [ 70.202845][ T6551] ? kobject_uevent_env+0x2bb/0x1650 [ 70.208165][ T6551] bus_probe_device+0x1e4/0x290 [ 70.213052][ T6551] device_add+0xc35/0x21b0 [ 70.217773][ T6551] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.223253][ T6551] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.228799][ T6551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 70.235623][ T6551] ? __raw_spin_lock_init+0x36/0x110 [ 70.241106][ T6551] new_device_store+0x48b/0x770 [ 70.246059][ T6551] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.251973][ T6551] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.258327][ T6551] ? sysfs_file_ops+0x1c0/0x1c0 [ 70.263181][ T6551] bus_attr_store+0x72/0xa0 [ 70.267692][ T6551] ? bus_attr_show+0x90/0x90 [ 70.272410][ T6551] sysfs_kf_write+0x110/0x160 [ 70.277362][ T6551] kernfs_fop_write_iter+0x342/0x500 [ 70.282760][ T6551] new_sync_write+0x429/0x660 [ 70.287534][ T6551] ? new_sync_read+0x6e0/0x6e0 [ 70.292305][ T6551] ? lock_release+0x720/0x720 [ 70.297282][ T6551] vfs_write+0x7cf/0xae0 [ 70.301527][ T6551] ksys_write+0x12d/0x250 [ 70.305952][ T6551] ? __ia32_sys_read+0xb0/0xb0 [ 70.310737][ T6551] ? syscall_enter_from_user_mode+0x21/0x70 [ 70.316841][ T6551] do_syscall_64+0x35/0xb0 [ 70.321540][ T6551] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.327457][ T6551] RIP: 0033:0x7fa39cf243ef [ 70.331907][ T6551] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 70.351967][ T6551] RSP: 002b:00007ffc8a5afde0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 70.360409][ T6551] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa39cf243ef [ 70.368382][ T6551] RDX: 0000000000000003 RSI: 00007ffc8a5afe30 RDI: 0000000000000004 [ 70.376555][ T6551] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffc8a5afd80 [ 70.384615][ T6551] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa39cfcb971 [ 70.392737][ T6551] R13: 00007ffc8a5afe30 R14: 0000000000000000 R15: 00007ffc8a5b0500 [ 70.400729][ T6551] [ 70.404208][ T6551] Kernel Offset: disabled [ 70.408686][ T6551] Rebooting in 86400 seconds..