[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 63.200507][ T8474] ================================================================================
[ 63.210008][ T8474] UBSAN: array-index-out-of-bounds in arch/x86/kernel/uprobes.c:263:56
[ 63.219113][ T8474] index 4 is out of range for type 'insn_byte_t [4]'
[ 63.225808][ T8474] CPU: 1 PID: 8474 Comm: syz-executor345 Not tainted 5.10.0-rc2-syzkaller #0
[ 63.234555][ T8474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.244614][ T8474] Call Trace:
[ 63.247897][ T8474] dump_stack+0x107/0x163
[ 63.252214][ T8474] ubsan_epilogue+0xb/0x5a
[ 63.256615][ T8474] __ubsan_handle_out_of_bounds.cold+0x62/0x6c
[ 63.262760][ T8474] arch_uprobe_analyze_insn+0x8f4/0xa40
[ 63.268289][ T8474] ? push_emulate_op+0x270/0x270
[ 63.273251][ T8474] ? PageHuge+0x11c/0x170
[ 63.277571][ T8474] ? memcpy+0x39/0x60
[ 63.281576][ T8474] install_breakpoint.isra.0+0x6c4/0x7c0
[ 63.287195][ T8474] uprobe_mmap+0x5ec/0x1080
[ 63.291716][ T8474] ? do_raw_spin_unlock+0x171/0x230
[ 63.296893][ T8474] ? uprobe_apply+0x150/0x150
[ 63.301552][ T8474] mmap_region+0x56c/0x1760
[ 63.306045][ T8474] do_mmap+0xcf9/0x11d0
[ 63.310188][ T8474] vm_mmap_pgoff+0x195/0x200
[ 63.314762][ T8474] ? randomize_stack_top+0x100/0x100
[ 63.320031][ T8474] ksys_mmap_pgoff+0x444/0x580
[ 63.324787][ T8474] ? find_mergeable_anon_vma+0x240/0x240
[ 63.330412][ T8474] ? syscall_enter_from_user_mode+0x1d/0x50
[ 63.336297][ T8474] do_syscall_64+0x2d/0x70
[ 63.340693][ T8474] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.346576][ T8474] RIP: 0033:0x440379
[ 63.350449][ T8474] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 63.370029][ T8474] RSP: 002b:00007ffc037c8248 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 63.378422][ T8474] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440379
[ 63.386369][ T8474] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000
[ 63.394317][ T8474] RBP: 00000000006ca018 R08: 0000000000000003 R09: 0000000000000000
[ 63.402266][ T8474] R10: 0000000000000412 R11: 0000000000000246 R12: 0000000000401b80
[ 63.410213][ T8474] R13: 0000000000401c10 R14: 0000000000000000 R15: 0000000000000000
[ 63.418866][ T8474] ================================================================================
[ 63.428291][ T8474] Kernel panic - not syncing: panic_on_warn set ...
[ 63.434890][ T8474] CPU: 1 PID: 8474 Comm: syz-executor345 Not tainted 5.10.0-rc2-syzkaller #0
[ 63.443633][ T8474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.453664][ T8474] Call Trace:
[ 63.456948][ T8474] dump_stack+0x107/0x163
[ 63.461257][ T8474] panic+0x306/0x73d
[ 63.465131][ T8474] ? __warn_printk+0xf3/0xf3
[ 63.469708][ T8474] ? mark_lock+0xf7/0x24c0
[ 63.474111][ T8474] ? ubsan_epilogue+0x3e/0x5a
[ 63.478766][ T8474] ? ubsan_epilogue+0x35/0x5a
[ 63.483429][ T8474] ubsan_epilogue+0x54/0x5a
[ 63.487909][ T8474] __ubsan_handle_out_of_bounds.cold+0x62/0x6c
[ 63.494044][ T8474] arch_uprobe_analyze_insn+0x8f4/0xa40
[ 63.499569][ T8474] ? push_emulate_op+0x270/0x270
[ 63.504481][ T8474] ? PageHuge+0x11c/0x170
[ 63.508796][ T8474] ? memcpy+0x39/0x60
[ 63.512767][ T8474] install_breakpoint.isra.0+0x6c4/0x7c0
[ 63.518385][ T8474] uprobe_mmap+0x5ec/0x1080
[ 63.522869][ T8474] ? do_raw_spin_unlock+0x171/0x230
[ 63.528044][ T8474] ? uprobe_apply+0x150/0x150
[ 63.532707][ T8474] mmap_region+0x56c/0x1760
[ 63.537196][ T8474] do_mmap+0xcf9/0x11d0
[ 63.541346][ T8474] vm_mmap_pgoff+0x195/0x200
[ 63.545929][ T8474] ? randomize_stack_top+0x100/0x100
[ 63.551198][ T8474] ksys_mmap_pgoff+0x444/0x580
[ 63.555949][ T8474] ? find_mergeable_anon_vma+0x240/0x240
[ 63.561561][ T8474] ? syscall_enter_from_user_mode+0x1d/0x50
[ 63.567434][ T8474] do_syscall_64+0x2d/0x70
[ 63.571838][ T8474] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.577705][ T8474] RIP: 0033:0x440379
[ 63.581592][ T8474] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 63.601182][ T8474] RSP: 002b:00007ffc037c8248 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 63.609603][ T8474] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440379
[ 63.617915][ T8474] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000
[ 63.625866][ T8474] RBP: 00000000006ca018 R08: 0000000000000003 R09: 0000000000000000
[ 63.633832][ T8474] R10: 0000000000000412 R11: 0000000000000246 R12: 0000000000401b80
[ 63.641785][ T8474] R13: 0000000000401c10 R14: 0000000000000000 R15: 0000000000000000
[ 63.650618][ T8474] Kernel Offset: disabled
[ 63.655027][ T8474] Rebooting in 86400 seconds..