Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts. executing program [ 144.561829][ T5013] loop0: detected capacity change from 0 to 4096 [ 144.602073][ T5013] NILFS (loop0): invalid segment: Checksum error in segment payload [ 144.611382][ T5013] NILFS (loop0): trying rollback from an earlier position [ 144.640952][ T5013] NILFS (loop0): recovery complete [ 144.649873][ T5014] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 149.737571][ T5014] ===================================================== [ 149.745018][ T5014] BUG: KMSAN: uninit-value in crc32_le_base+0x43c/0xd80 [ 149.752208][ T5014] crc32_le_base+0x43c/0xd80 [ 149.757245][ T5014] nilfs_add_checksums_on_logs+0xb80/0xe40 [ 149.763385][ T5014] nilfs_segctor_do_construct+0x9876/0xdeb0 [ 149.769567][ T5014] nilfs_segctor_construct+0x1eb/0xe30 [ 149.775361][ T5014] nilfs_segctor_thread+0xc50/0x11e0 [ 149.780829][ T5014] kthread+0x3e2/0x540 executing program [ 149.785313][ T5014] ret_from_fork+0x6d/0x90 [ 149.789928][ T5014] ret_from_fork_asm+0x1a/0x30 [ 149.795089][ T5014] [ 149.797521][ T5014] Uninit was stored to memory at: [ 149.802963][ T5014] copy_page_from_iter_atomic+0x12b7/0x2b60 [ 149.809308][ T5014] generic_perform_write+0x4c1/0xc60 [ 149.814921][ T5014] __generic_file_write_iter+0x20a/0x460 [ 149.820774][ T5014] generic_file_write_iter+0x103/0x5b0 [ 149.826596][ T5014] __kernel_write_iter+0x68b/0xc40 [ 149.831918][ T5014] dump_user_range+0x8dc/0xee0 [ 149.837051][ T5014] elf_core_dump+0x520f/0x59c0 [ 149.842108][ T5014] do_coredump+0x32d5/0x4920 [ 149.847055][ T5014] get_signal+0x267e/0x2d00 [ 149.851830][ T5014] arch_do_signal_or_restart+0x53/0xcb0 [ 149.857752][ T5014] syscall_exit_to_user_mode+0x5d/0x160 [ 149.863768][ T5014] do_syscall_64+0xe4/0x1f0 [ 149.868579][ T5014] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 149.874829][ T5014] [ 149.877248][ T5014] Uninit was created at: [ 149.881736][ T5014] __alloc_pages+0x9d6/0xe70 [ 149.886719][ T5014] alloc_pages_mpol+0x299/0x990 [ 149.891778][ T5014] alloc_pages+0x1bf/0x1e0 [ 149.896487][ T5014] dump_user_range+0x4a/0xee0 [ 149.901387][ T5014] elf_core_dump+0x520f/0x59c0 [ 149.906533][ T5014] do_coredump+0x32d5/0x4920 [ 149.911305][ T5014] get_signal+0x267e/0x2d00 [ 149.916107][ T5014] arch_do_signal_or_restart+0x53/0xcb0 [ 149.921895][ T5014] syscall_exit_to_user_mode+0x5d/0x160 [ 149.927859][ T5014] do_syscall_64+0xe4/0x1f0 [ 149.932572][ T5014] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 149.938781][ T5014] [ 149.941201][ T5014] CPU: 0 PID: 5014 Comm: segctord Not tainted 6.9.0-rc2-syzkaller-00207-ge8b0ccb2a787 #0 [ 149.951319][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 149.962259][ T5014] ===================================================== [ 149.969674][ T5014] Disabling lock debugging due to kernel taint [ 149.976027][ T5014] Kernel panic - not syncing: kmsan.panic set ... [ 149.982566][ T5014] CPU: 0 PID: 5014 Comm: segctord Tainted: G B 6.9.0-rc2-syzkaller-00207-ge8b0ccb2a787 #0 [ 149.994037][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 150.004241][ T5014] Call Trace: [ 150.007629][ T5014] [ 150.010676][ T5014] dump_stack_lvl+0x216/0x2d0 [ 150.015585][ T5014] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 150.021582][ T5014] dump_stack+0x1e/0x30 [ 150.025960][ T5014] panic+0x4e2/0xcd0 [ 150.030069][ T5014] ? kmsan_get_metadata+0xe1/0x1d0 [ 150.035375][ T5014] kmsan_report+0x2d5/0x2e0 [ 150.040107][ T5014] ? folio_mark_accessed+0x218/0x750 [ 150.045683][ T5014] ? __msan_warning+0x95/0x120 [ 150.050664][ T5014] ? crc32_le_base+0x43c/0xd80 [ 150.055647][ T5014] ? nilfs_add_checksums_on_logs+0xb80/0xe40 [ 150.061836][ T5014] ? nilfs_segctor_do_construct+0x9876/0xdeb0 [ 150.068126][ T5014] ? nilfs_segctor_construct+0x1eb/0xe30 [ 150.074006][ T5014] ? nilfs_segctor_thread+0xc50/0x11e0 [ 150.079658][ T5014] ? kthread+0x3e2/0x540 [ 150.084212][ T5014] ? ret_from_fork+0x6d/0x90 [ 150.088991][ T5014] ? ret_from_fork_asm+0x1a/0x30 [ 150.094154][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.099725][ T5014] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 150.106409][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.111807][ T5014] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 150.117822][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.123320][ T5014] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 150.129418][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.134823][ T5014] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 150.140836][ T5014] ? cgroup_rstat_updated+0xb1/0x4f0 [ 150.146371][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.151866][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.157282][ T5014] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 150.163313][ T5014] __msan_warning+0x95/0x120 [ 150.168160][ T5014] crc32_le_base+0x43c/0xd80 [ 150.172999][ T5014] ? kmsan_get_metadata+0x146/0x1d0 [ 150.178409][ T5014] nilfs_add_checksums_on_logs+0xb80/0xe40 [ 150.184474][ T5014] nilfs_segctor_do_construct+0x9876/0xdeb0 [ 150.190720][ T5014] nilfs_segctor_construct+0x1eb/0xe30 [ 150.196528][ T5014] nilfs_segctor_thread+0xc50/0x11e0 [ 150.202037][ T5014] ? __kthread_parkme+0x1c5/0x1f0 [ 150.207458][ T5014] kthread+0x3e2/0x540 [ 150.211740][ T5014] ? __pfx_nilfs_segctor_thread+0x10/0x10 [ 150.217662][ T5014] ? __pfx_kthread+0x10/0x10 [ 150.222472][ T5014] ret_from_fork+0x6d/0x90 [ 150.227076][ T5014] ? __pfx_kthread+0x10/0x10 [ 150.231885][ T5014] ret_from_fork_asm+0x1a/0x30 [ 150.236917][ T5014] [ 150.240203][ T5014] Kernel Offset: disabled [ 150.244600][ T5014] Rebooting in 86400 seconds..