[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.785270][ T8429] ================================================================================ [ 75.794768][ T8429] UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13 [ 75.803184][ T8429] shift exponent 64 is too large for 64-bit type 'long unsigned int' [ 75.811580][ T8429] CPU: 0 PID: 8429 Comm: syz-executor959 Not tainted 5.12.0-rc7-syzkaller #0 [ 75.820356][ T8429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.830960][ T8429] Call Trace: [ 75.834242][ T8429] dump_stack+0x141/0x1d7 [ 75.838578][ T8429] ubsan_epilogue+0xb/0x5a [ 75.843005][ T8429] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 75.849774][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 75.854808][ T8429] nft_hash_estimate.cold+0x19/0x1e [ 75.860012][ T8429] nf_tables_newset+0xe62/0x3110 [ 75.864958][ T8429] ? nft_set_elem_expr_alloc+0x280/0x280 [ 75.870582][ T8429] ? find_held_lock+0x2d/0x110 [ 75.875425][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 75.880285][ T8429] ? nft_set_elem_expr_alloc+0x280/0x280 [ 75.885913][ T8429] nfnetlink_rcv_batch+0xa09/0x24b0 [ 75.891116][ T8429] ? nfnetlink_bind+0x300/0x300 [ 75.895975][ T8429] ? nla_get_range_signed+0x520/0x520 [ 75.901914][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.908160][ T8429] ? apparmor_capable+0x1d8/0x460 [ 75.913181][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.919530][ T8429] ? security_capable+0x8f/0xc0 [ 75.924374][ T8429] ? __nla_parse+0x3d/0x50 [ 75.928794][ T8429] nfnetlink_rcv+0x3af/0x420 [ 75.934089][ T8429] ? nfnetlink_rcv_batch+0x24b0/0x24b0 [ 75.939653][ T8429] netlink_unicast+0x533/0x7d0 [ 75.944538][ T8429] ? netlink_attachskb+0x870/0x870 [ 75.949753][ T8429] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.956862][ T8429] ? __phys_addr_symbol+0x2c/0x70 [ 75.961891][ T8429] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 75.967730][ T8429] ? __check_object_size+0x171/0x3f0 [ 75.973009][ T8429] netlink_sendmsg+0x856/0xd90 [ 75.977881][ T8429] ? netlink_unicast+0x7d0/0x7d0 [ 75.982841][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.989090][ T8429] ? netlink_unicast+0x7d0/0x7d0 [ 75.994151][ T8429] sock_sendmsg+0xcf/0x120 [ 75.998558][ T8429] ____sys_sendmsg+0x6e8/0x810 [ 76.003313][ T8429] ? kernel_sendmsg+0x50/0x50 [ 76.007977][ T8429] ? do_recvmmsg+0x6d0/0x6d0 [ 76.014231][ T8429] ? do_huge_pmd_anonymous_page+0x124b/0x2570 [ 76.020288][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 76.025159][ T8429] ___sys_sendmsg+0xf3/0x170 [ 76.030013][ T8429] ? sendmsg_copy_msghdr+0x160/0x160 [ 76.035304][ T8429] ? __lock_acquire+0x16b3/0x54c0 [ 76.040429][ T8429] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.046771][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.053111][ T8429] ? __fget_light+0x215/0x280 [ 76.058624][ T8429] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.064895][ T8429] __sys_sendmsg+0xe5/0x1b0 [ 76.069586][ T8429] ? __sys_sendmsg_sock+0x30/0x30 [ 76.075220][ T8429] ? syscall_enter_from_user_mode+0x27/0x70 [ 76.082115][ T8429] do_syscall_64+0x2d/0x70 [ 76.087289][ T8429] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.093452][ T8429] RIP: 0033:0x43f499 [ 76.097478][ T8429] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 76.118568][ T8429] RSP: 002b:00007ffc8764b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.126974][ T8429] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f499 [ 76.134933][ T8429] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 76.143591][ T8429] RBP: 0000000000403480 R08: 0000000000000008 R09: 0000000000400488 [ 76.151745][ T8429] R10: 0000000000000a00 R11: 0000000000000246 R12: 0000000000403510 [ 76.160335][ T8429] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 76.170310][ T8429] ================================================================================ [ 76.179775][ T8429] Kernel panic - not syncing: panic_on_warn set ... [ 76.186738][ T8429] CPU: 0 PID: 8429 Comm: syz-executor959 Not tainted 5.12.0-rc7-syzkaller #0 [ 76.196396][ T8429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.207253][ T8429] Call Trace: [ 76.210925][ T8429] dump_stack+0x141/0x1d7 [ 76.215504][ T8429] panic+0x306/0x73d [ 76.220310][ T8429] ? __warn_printk+0xf3/0xf3 [ 76.225347][ T8429] ? dump_stack+0x1c1/0x1d7 [ 76.230651][ T8429] ? ubsan_epilogue+0x3e/0x5a [ 76.235509][ T8429] ubsan_epilogue+0x54/0x5a [ 76.241365][ T8429] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 76.248374][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 76.253516][ T8429] nft_hash_estimate.cold+0x19/0x1e [ 76.259086][ T8429] nf_tables_newset+0xe62/0x3110 [ 76.264142][ T8429] ? nft_set_elem_expr_alloc+0x280/0x280 [ 76.270255][ T8429] ? find_held_lock+0x2d/0x110 [ 76.275059][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 76.280673][ T8429] ? nft_set_elem_expr_alloc+0x280/0x280 [ 76.286414][ T8429] nfnetlink_rcv_batch+0xa09/0x24b0 [ 76.291643][ T8429] ? nfnetlink_bind+0x300/0x300 [ 76.296541][ T8429] ? nla_get_range_signed+0x520/0x520 [ 76.302310][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.310022][ T8429] ? apparmor_capable+0x1d8/0x460 [ 76.315419][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.321926][ T8429] ? security_capable+0x8f/0xc0 [ 76.327430][ T8429] ? __nla_parse+0x3d/0x50 [ 76.332105][ T8429] nfnetlink_rcv+0x3af/0x420 [ 76.337421][ T8429] ? nfnetlink_rcv_batch+0x24b0/0x24b0 [ 76.342903][ T8429] netlink_unicast+0x533/0x7d0 [ 76.347719][ T8429] ? netlink_attachskb+0x870/0x870 [ 76.352947][ T8429] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.359203][ T8429] ? __phys_addr_symbol+0x2c/0x70 [ 76.365185][ T8429] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 76.370894][ T8429] ? __check_object_size+0x171/0x3f0 [ 76.376258][ T8429] netlink_sendmsg+0x856/0xd90 [ 76.382688][ T8429] ? netlink_unicast+0x7d0/0x7d0 [ 76.402492][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.408972][ T8429] ? netlink_unicast+0x7d0/0x7d0 [ 76.414756][ T8429] sock_sendmsg+0xcf/0x120 [ 76.420038][ T8429] ____sys_sendmsg+0x6e8/0x810 [ 76.425277][ T8429] ? kernel_sendmsg+0x50/0x50 [ 76.430084][ T8429] ? do_recvmmsg+0x6d0/0x6d0 [ 76.435502][ T8429] ? do_huge_pmd_anonymous_page+0x124b/0x2570 [ 76.442188][ T8429] ? lock_downgrade+0x6e0/0x6e0 [ 76.447439][ T8429] ___sys_sendmsg+0xf3/0x170 [ 76.453175][ T8429] ? sendmsg_copy_msghdr+0x160/0x160 [ 76.458468][ T8429] ? __lock_acquire+0x16b3/0x54c0 [ 76.463795][ T8429] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.470178][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.477604][ T8429] ? __fget_light+0x215/0x280 [ 76.482419][ T8429] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.489223][ T8429] __sys_sendmsg+0xe5/0x1b0 [ 76.494626][ T8429] ? __sys_sendmsg_sock+0x30/0x30 [ 76.499760][ T8429] ? syscall_enter_from_user_mode+0x27/0x70 [ 76.505652][ T8429] do_syscall_64+0x2d/0x70 [ 76.510169][ T8429] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.516580][ T8429] RIP: 0033:0x43f499 [ 76.520587][ T8429] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 76.542941][ T8429] RSP: 002b:00007ffc8764b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.552119][ T8429] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f499 [ 76.560088][ T8429] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 76.569080][ T8429] RBP: 0000000000403480 R08: 0000000000000008 R09: 0000000000400488 [ 76.577202][ T8429] R10: 0000000000000a00 R11: 0000000000000246 R12: 0000000000403510 [ 76.586172][ T8429] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 76.595332][ T8429] Kernel Offset: disabled [ 76.599906][ T8429] Rebooting in 86400 seconds..