[ 115.402198][ T6258] ===================================================== [ 115.409212][ T6258] BUG: KMSAN: uninit-value in number+0xd27/0x24c0 [ 115.415646][ T6258] number+0xd27/0x24c0 [ 115.419728][ T6258] vsnprintf+0x1f3a/0x36a0 [ 115.424158][ T6258] snprintf+0x244/0x290 [ 115.428325][ T6258] tomoyo_init_log+0xd39/0x3b50 [ 115.433193][ T6258] tomoyo_supervisor+0x8bd/0x2820 [ 115.438234][ T6258] tomoyo_check_open_permission+0x72b/0xe10 [ 115.444155][ T6258] tomoyo_file_open+0x24f/0x2d0 [ 115.449026][ T6258] security_file_open+0xb1/0x1f0 [ 115.453979][ T6258] do_dentry_open+0x4de/0x1bd0 [ 115.458762][ T6258] vfs_open+0xaf/0xe0 [ 115.462758][ T6258] path_openat+0x53d7/0x5eb0 [ 115.467360][ T6258] do_filp_open+0x306/0x760 [ 115.471869][ T6258] do_sys_openat2+0x263/0x8f0 [ 115.476704][ T6258] __x64_sys_open+0x314/0x380 [ 115.481402][ T6258] do_syscall_64+0x54/0xd0 [ 115.485811][ T6258] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.491720][ T6258] [ 115.494038][ T6258] Local variable tmp created at: [ 115.499063][ T6258] number+0xb2/0x24c0 [ 115.503032][ T6258] vsnprintf+0x1f3a/0x36a0 [ 115.507426][ T6258] ===================================================== [ 115.514331][ T6258] Disabling lock debugging due to kernel taint [ 115.520661][ T6258] Kernel panic - not syncing: panic_on_kmsan set ... [ 115.527337][ T6258] CPU: 1 PID: 6258 Comm: systemd-rfkill Tainted: G B 5.15.0-rc7-syzkaller #0 [ 115.537498][ T6258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.547552][ T6258] Call Trace: [ 115.550813][ T6258] dump_stack_lvl+0x1ff/0x28e [ 115.555476][ T6258] dump_stack+0x25/0x28 [ 115.559717][ T6258] panic+0x44f/0xdeb [ 115.563599][ T6258] ? add_taint+0x187/0x210 [ 115.568014][ T6258] ? add_taint+0x187/0x210 [ 115.572417][ T6258] kmsan_report+0x2ee/0x300 [ 115.576905][ T6258] ? __msan_warning+0xb4/0x100 [ 115.581658][ T6258] ? number+0xd27/0x24c0 [ 115.585885][ T6258] ? vsnprintf+0x1f3a/0x36a0 [ 115.590455][ T6258] ? snprintf+0x244/0x290 [ 115.594780][ T6258] ? tomoyo_init_log+0xd39/0x3b50 [ 115.599806][ T6258] ? tomoyo_supervisor+0x8bd/0x2820 [ 115.604987][ T6258] ? tomoyo_check_open_permission+0x72b/0xe10 [ 115.611038][ T6258] ? tomoyo_file_open+0x24f/0x2d0 [ 115.616047][ T6258] ? security_file_open+0xb1/0x1f0 [ 115.621146][ T6258] ? do_dentry_open+0x4de/0x1bd0 [ 115.626074][ T6258] ? vfs_open+0xaf/0xe0 [ 115.630213][ T6258] ? path_openat+0x53d7/0x5eb0 [ 115.634961][ T6258] ? do_filp_open+0x306/0x760 [ 115.639647][ T6258] ? do_sys_openat2+0x263/0x8f0 [ 115.644532][ T6258] ? __x64_sys_open+0x314/0x380 [ 115.649421][ T6258] ? do_syscall_64+0x54/0xd0 [ 115.653999][ T6258] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.660060][ T6258] ? kmsan_internal_set_shadow_origin+0x52/0xc0 [ 115.666303][ T6258] ? __msan_poison_alloca+0x13c/0x180 [ 115.671662][ T6258] __msan_warning+0xb4/0x100 [ 115.676241][ T6258] number+0xd27/0x24c0 [ 115.680301][ T6258] ? kmsan_internal_set_shadow_origin+0x52/0xc0 [ 115.686535][ T6258] vsnprintf+0x1f3a/0x36a0 [ 115.690939][ T6258] snprintf+0x244/0x290 [ 115.695096][ T6258] tomoyo_init_log+0xd39/0x3b50 [ 115.699940][ T6258] tomoyo_supervisor+0x8bd/0x2820 [ 115.704948][ T6258] ? kmsan_get_shadow_origin_ptr+0x97/0xd0 [ 115.710749][ T6258] ? tomoyo_check_acl+0x591/0x630 [ 115.715844][ T6258] ? tomoyo_execute_permission+0x5e0/0x5e0 [ 115.721635][ T6258] ? kmsan_get_shadow_origin_ptr+0x97/0xd0 [ 115.727438][ T6258] tomoyo_check_open_permission+0x72b/0xe10 [ 115.733327][ T6258] tomoyo_file_open+0x24f/0x2d0 [ 115.738176][ T6258] ? tomoyo_file_fcntl+0x3f0/0x3f0 [ 115.743270][ T6258] security_file_open+0xb1/0x1f0 [ 115.748196][ T6258] do_dentry_open+0x4de/0x1bd0 [ 115.752944][ T6258] vfs_open+0xaf/0xe0 [ 115.756911][ T6258] path_openat+0x53d7/0x5eb0 [ 115.761571][ T6258] ? kmsan_internal_set_shadow_origin+0x52/0xc0 [ 115.767802][ T6258] ? __msan_memset+0xc1/0x110 [ 115.772467][ T6258] ? memcg_slab_free_hook+0x2d/0x890 [ 115.777738][ T6258] ? memcg_slab_post_alloc_hook+0x34/0xb20 [ 115.783530][ T6258] ? kmsan_get_metadata+0xc0/0x180 [ 115.788627][ T6258] do_filp_open+0x306/0x760 [ 115.793114][ T6258] do_sys_openat2+0x263/0x8f0 [ 115.797776][ T6258] __x64_sys_open+0x314/0x380 [ 115.802444][ T6258] do_syscall_64+0x54/0xd0 [ 115.806844][ T6258] ? exc_page_fault+0x76/0x120 [ 115.811611][ T6258] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.817491][ T6258] RIP: 0033:0x7fef6eb6a1b7 [ 115.821888][ T6258] Code: f3 c3 90 f7 d8 89 05 88 bf 20 00 b8 ff ff ff ff c3 66 90 c7 05 76 bf 20 00 16 00 00 00 b8 ff ff ff ff c3 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 59 bf 20 00 f7 d8 89 01 48 83 [ 115.841676][ T6258] RSP: 002b:00007ffe0c578da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 115.850075][ T6258] RAX: ffffffffffffffda RBX: 00007ffe0c578e90 RCX: 00007fef6eb6a1b7 [ 115.858031][ T6258] RDX: 00007fef6ed72ed0 RSI: 0000000000080000 RDI: 00007fef6ed6eeb0 [ 115.865987][ T6258] RBP: 00007ffe0c578e00 R08: 0000000000000000 R09: 00007ffe0c578e7f [ 115.873944][ T6258] R10: 00007ffe0c578e90 R11: 0000000000000246 R12: 00007fef6ed72ed0 [ 115.881904][ T6258] R13: 0000000000000000 R14: 00007ffe0c578e7f R15: 0000000000000000 [ 115.890159][ T6258] Kernel Offset: disabled [ 115.894484][ T6258] Rebooting in 86400 seconds..