[ 17.043228][ T3893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 17.046802][ T3893] eql: remember to turn off Van-Jacobson compression on your slave devices [ 17.088437][ T439] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 17.094108][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.081326][ T4308] ================================================================== [ 37.083438][ T4308] BUG: KASAN: null-ptr-deref in io_poll_remove_entries+0x358/0x598 [ 37.085426][ T4308] Read of size 8 at addr 0000000000000008 by task syz-executor287/4308 [ 37.087614][ T4308] [ 37.088187][ T4308] CPU: 0 PID: 4308 Comm: syz-executor287 Not tainted 6.1.19-syzkaller #0 [ 37.090321][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 37.092905][ T4308] Call trace: [ 37.093806][ T4308] dump_backtrace+0x1c8/0x1f4 [ 37.095038][ T4308] show_stack+0x2c/0x3c [ 37.096164][ T4308] dump_stack_lvl+0x108/0x170 [ 37.097408][ T4308] print_report+0xe4/0x4c0 [ 37.098541][ T4308] kasan_report+0xd4/0x130 [ 37.099708][ T4308] kasan_check_range+0x264/0x2a4 [ 37.100987][ T4308] __kasan_check_read+0x2c/0x3c [ 37.102221][ T4308] io_poll_remove_entries+0x358/0x598 [ 37.103590][ T4308] __io_arm_poll_handler+0x4e4/0x7f4 [ 37.104965][ T4308] io_arm_poll_handler+0x5b8/0xc74 [ 37.106334][ T4308] io_queue_async+0x90/0x704 [ 37.107548][ T4308] io_req_task_submit+0x160/0x1d0 [ 37.108854][ T4308] io_apoll_task_func+0x9c/0xd4 [ 37.110080][ T4308] handle_tw_list+0x278/0x444 [ 37.111273][ T4308] tctx_task_work+0x10c/0x98c [ 37.112521][ T4308] task_work_run+0x240/0x2f0 [ 37.113706][ T4308] do_notify_resume+0x2144/0x3470 [ 37.115004][ T4308] el0_svc+0x9c/0x168 [ 37.116074][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 37.117332][ T4308] el0t_64_sync+0x18c/0x190 [ 37.118466][ T4308] ================================================================== [ 37.120692][ T4308] Disabling lock debugging due to kernel taint [ 37.122354][ T4308] BUG: sleeping function called from invalid context at arch/arm64/mm/fault.c:603 [ 37.124678][ T4308] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4308, name: syz-executor287 [ 37.127056][ T4308] preempt_count: 0, expected: 0 [ 37.128259][ T4308] RCU nest depth: 1, expected: 0 [ 37.129582][ T4308] INFO: lockdep is turned off. [ 37.130828][ T4308] CPU: 0 PID: 4308 Comm: syz-executor287 Tainted: G B 6.1.19-syzkaller #0 [ 37.133358][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 37.135993][ T4308] Call trace: [ 37.136825][ T4308] dump_backtrace+0x1c8/0x1f4 [ 37.138042][ T4308] show_stack+0x2c/0x3c [ 37.139101][ T4308] dump_stack_lvl+0x108/0x170 [ 37.140313][ T4308] dump_stack+0x1c/0x5c [ 37.141401][ T4308] __might_resched+0x37c/0x4d8 [ 37.142612][ T4308] __might_sleep+0x90/0xe4 [ 37.143789][ T4308] do_page_fault+0x308/0xac4 [ 37.144959][ T4308] do_translation_fault+0x94/0xc8 [ 37.146244][ T4308] do_mem_abort+0x74/0x200 [ 37.147390][ T4308] el1_abort+0x3c/0x5c [ 37.148435][ T4308] el1h_64_sync_handler+0x60/0xac [ 37.149725][ T4308] el1h_64_sync+0x64/0x68 [ 37.150808][ T4308] io_poll_remove_entries+0x358/0x598 [ 37.152155][ T4308] __io_arm_poll_handler+0x4e4/0x7f4 [ 37.153504][ T4308] io_arm_poll_handler+0x5b8/0xc74 [ 37.154824][ T4308] io_queue_async+0x90/0x704 [ 37.156006][ T4308] io_req_task_submit+0x160/0x1d0 [ 37.157344][ T4308] io_apoll_task_func+0x9c/0xd4 [ 37.158643][ T4308] handle_tw_list+0x278/0x444 [ 37.159809][ T4308] tctx_task_work+0x10c/0x98c [ 37.161028][ T4308] task_work_run+0x240/0x2f0 [ 37.162219][ T4308] do_notify_resume+0x2144/0x3470 [ 37.163534][ T4308] el0_svc+0x9c/0x168 [ 37.164564][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 37.165835][ T4308] el0t_64_sync+0x18c/0x190 [ 37.167131][ T4308] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 [ 37.169685][ T4308] Mem abort info: [ 37.170623][ T4308] ESR = 0x0000000096000006 [ 37.171802][ T4308] EC = 0x25: DABT (current EL), IL = 32 bits [ 37.173401][ T4308] SET = 0, FnV = 0 [ 37.174344][ T4308] EA = 0, S1PTW = 0 [ 37.175397][ T4308] FSC = 0x06: level 2 translation fault [ 37.176805][ T4308] Data abort info: [ 37.177706][ T4308] ISV = 0, ISS = 0x00000006 [ 37.178945][ T4308] CM = 0, WnR = 0 [ 37.179942][ T4308] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b460000 [ 37.181770][ T4308] [0000000000000008] pgd=0800000111f34003, p4d=0800000111f34003, pud=0800000101d97003, pmd=0000000000000000 [ 37.184724][ T4308] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 37.186551][ T4308] Modules linked in: [ 37.187561][ T4308] CPU: 0 PID: 4308 Comm: syz-executor287 Tainted: G B W 6.1.19-syzkaller #0 [ 37.190144][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 37.192786][ T4308] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.194784][ T4308] pc : io_poll_remove_entries+0x358/0x598 [ 37.196284][ T4308] lr : io_poll_remove_entries+0x358/0x598 [ 37.197755][ T4308] sp : ffff80001daf7580 [ 37.198832][ T4308] x29: ffff80001daf7590 x28: ffff0000d0082a00 x27: 1fffe00019c55720 [ 37.200914][ T4308] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000 [ 37.202995][ T4308] x23: ffff0000ce2ab944 x22: 0000000000000000 x21: ffff0000d0082a08 [ 37.205103][ T4308] x20: 0000000000000001 x19: 0000000000000008 x18: 1fffe000368b0376 [ 37.207193][ T4308] x17: ffff80001572d000 x16: ffff800012253e1c x15: ffff0001b4581bbc [ 37.209276][ T4308] x14: ffff0001b4581bb8 x13: 1fffe000368b0376 x12: 0000000000000001 [ 37.211328][ T4308] x11: ff808000081b1aa4 x10: 0000000000000000 x9 : 0000000000000000 [ 37.213423][ T4308] x8 : 0000000000000000 x7 : 1fffe000368b0377 x6 : ffff800008281b70 [ 37.215517][ T4308] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000081b1a60 [ 37.217663][ T4308] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 37.219683][ T4308] Call trace: [ 37.220510][ T4308] io_poll_remove_entries+0x358/0x598 [ 37.221908][ T4308] __io_arm_poll_handler+0x4e4/0x7f4 [ 37.223312][ T4308] io_arm_poll_handler+0x5b8/0xc74 [ 37.224683][ T4308] io_queue_async+0x90/0x704 [ 37.225921][ T4308] io_req_task_submit+0x160/0x1d0 [ 37.227207][ T4308] io_apoll_task_func+0x9c/0xd4 [ 37.228471][ T4308] handle_tw_list+0x278/0x444 [ 37.229668][ T4308] tctx_task_work+0x10c/0x98c [ 37.230839][ T4308] task_work_run+0x240/0x2f0 [ 37.232035][ T4308] do_notify_resume+0x2144/0x3470 [ 37.233364][ T4308] el0_svc+0x9c/0x168 [ 37.234509][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 37.235828][ T4308] el0t_64_sync+0x18c/0x190 [ 37.237003][ T4308] Code: 52800101 91002313 aa1303e0 977a24ef (c8dffe74) [ 37.238802][ T4308] ---[ end trace 0000000000000000 ]--- [ 37.544092][ T4308] Kernel panic - not syncing: Oops: Fatal exception [ 37.545885][ T4308] SMP: stopping secondary CPUs [ 37.547175][ T4308] Kernel Offset: disabled [ 37.548369][ T4308] CPU features: 0x00000,02070084,26017203 [ 37.549873][ T4308] Memory Limit: none [ 37.860584][ T4308] Rebooting in 86400 seconds..