forked to background, child pid 4583 no interfaces have a carrier [ 107.304641][ T4584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.334333][ T4584] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 110.493862][ T1737] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts. executing program [ 146.917720][ T5017] loop0: detected capacity change from 0 to 16 [ 146.941643][ T5017] ===================================================== [ 146.949022][ T5017] BUG: KMSAN: uninit-value in ondemand_readahead+0xddf/0x1720 [ 146.956990][ T5017] ondemand_readahead+0xddf/0x1720 [ 146.962384][ T5017] page_cache_sync_ra+0x72b/0x760 [ 146.967581][ T5017] cramfs_read+0x611/0x1280 [ 146.972362][ T5017] cramfs_lookup+0x1b8/0x870 [ 146.977119][ T5017] __lookup_slow+0x528/0x730 [ 146.981991][ T5017] lookup_slow+0x6a/0xc0 [ 146.986385][ T5017] link_path_walk+0xe9a/0x1620 [ 146.991329][ T5017] path_openat+0x333/0x5750 [ 146.996167][ T5017] do_filp_open+0x24d/0x660 [ 147.000837][ T5017] do_sys_openat2+0x1f0/0x910 [ 147.005808][ T5017] __ia32_compat_sys_openat+0x2ab/0x330 [ 147.012083][ T5017] __do_fast_syscall_32+0xa2/0x100 [ 147.017411][ T5017] do_fast_syscall_32+0x37/0x80 [ 147.022552][ T5017] do_SYSENTER_32+0x1f/0x30 [ 147.027252][ T5017] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 147.033868][ T5017] [ 147.036271][ T5017] Local variable ra.i created at: [ 147.041388][ T5017] cramfs_read+0xc0/0x1280 [ 147.046231][ T5017] cramfs_lookup+0x1b8/0x870 [ 147.051005][ T5017] [ 147.054943][ T5017] CPU: 1 PID: 5017 Comm: syz-executor948 Not tainted 6.2.0-syzkaller-81152-g97e36f4aa06f #0 [ 147.065285][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 147.075543][ T5017] ===================================================== [ 147.082640][ T5017] Disabling lock debugging due to kernel taint [ 147.088876][ T5017] Kernel panic - not syncing: kmsan.panic set ... [ 147.095348][ T5017] CPU: 1 PID: 5017 Comm: syz-executor948 Tainted: G B 6.2.0-syzkaller-81152-g97e36f4aa06f #0 [ 147.106995][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 147.117127][ T5017] Call Trace: [ 147.120453][ T5017] [ 147.123459][ T5017] dump_stack_lvl+0x1cc/0x260 [ 147.128318][ T5017] dump_stack+0x1e/0x20 [ 147.132572][ T5017] panic+0x4e1/0xc60 [ 147.136577][ T5017] ? kmsan_get_shadow_origin_ptr+0x30/0xa0 [ 147.142510][ T5017] ? add_taint+0x108/0x1a0 [ 147.147040][ T5017] kmsan_report+0x2d0/0x2d0 [ 147.151710][ T5017] ? kmsan_internal_poison_memory+0x7c/0x90 [ 147.157792][ T5017] ? __msan_warning+0x96/0x110 [ 147.162676][ T5017] ? ondemand_readahead+0xddf/0x1720 [ 147.168089][ T5017] ? page_cache_sync_ra+0x72b/0x760 [ 147.173439][ T5017] ? cramfs_read+0x611/0x1280 [ 147.178221][ T5017] ? cramfs_lookup+0x1b8/0x870 [ 147.183083][ T5017] ? __lookup_slow+0x528/0x730 [ 147.187963][ T5017] ? lookup_slow+0x6a/0xc0 [ 147.192503][ T5017] ? link_path_walk+0xe9a/0x1620 [ 147.197594][ T5017] ? path_openat+0x333/0x5750 [ 147.202356][ T5017] ? do_filp_open+0x24d/0x660 [ 147.207116][ T5017] ? do_sys_openat2+0x1f0/0x910 [ 147.212090][ T5017] ? __ia32_compat_sys_openat+0x2ab/0x330 [ 147.217928][ T5017] ? __do_fast_syscall_32+0xa2/0x100 [ 147.223351][ T5017] ? do_fast_syscall_32+0x37/0x80 [ 147.228490][ T5017] ? do_SYSENTER_32+0x1f/0x30 [ 147.233273][ T5017] ? entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 147.239878][ T5017] ? entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 147.246529][ T5017] ? kernel_text_address+0x125/0x1b0 [ 147.251978][ T5017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 147.258405][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 147.264352][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 147.270373][ T5017] __msan_warning+0x96/0x110 [ 147.275073][ T5017] ondemand_readahead+0xddf/0x1720 [ 147.280308][ T5017] page_cache_sync_ra+0x72b/0x760 [ 147.285449][ T5017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 147.291822][ T5017] cramfs_read+0x611/0x1280 [ 147.296486][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 147.302424][ T5017] cramfs_lookup+0x1b8/0x870 [ 147.307138][ T5017] ? cramfs_read_folio+0x1100/0x1100 [ 147.312526][ T5017] __lookup_slow+0x528/0x730 [ 147.317322][ T5017] lookup_slow+0x6a/0xc0 [ 147.321707][ T5017] link_path_walk+0xe9a/0x1620 [ 147.326611][ T5017] path_openat+0x333/0x5750 [ 147.331214][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 147.337175][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 147.343112][ T5017] do_filp_open+0x24d/0x660 [ 147.347732][ T5017] ? alloc_fd+0x930/0xb10 [ 147.352204][ T5017] do_sys_openat2+0x1f0/0x910 [ 147.356996][ T5017] ? __stack_depot_save+0x25/0x4b0 [ 147.362237][ T5017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 147.368638][ T5017] __ia32_compat_sys_openat+0x2ab/0x330 [ 147.374358][ T5017] __do_fast_syscall_32+0xa2/0x100 [ 147.379599][ T5017] ? irqentry_exit+0x16/0x40 [ 147.384270][ T5017] ? exc_page_fault+0x38a/0x600 [ 147.389209][ T5017] do_fast_syscall_32+0x37/0x80 [ 147.394201][ T5017] do_SYSENTER_32+0x1f/0x30 [ 147.398849][ T5017] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 147.405329][ T5017] RIP: 0023:0xf7e57549 [ 147.409465][ T5017] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 147.429205][ T5017] RSP: 002b:00000000fff396cc EFLAGS: 00000282 ORIG_RAX: 0000000000000127 [ 147.437782][ T5017] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000200000c0 [ 147.445853][ T5017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7ecc097 [ 147.453917][ T5017] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 147.461982][ T5017] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 147.470022][ T5017] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 147.478084][ T5017] [ 147.481333][ T5017] Kernel Offset: disabled [ 147.485732][ T5017] Rebooting in 86400 seconds..