last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts. [ 189.011795][ T5546] cgroup: Unknown subsys name 'net' [ 189.132670][ T5546] cgroup: Unknown subsys name 'cpuset' [ 189.148362][ T5546] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 195.580684][ T5546] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 201.259105][ T5565] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 201.269384][ T5565] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 201.282783][ T5565] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 201.304939][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 201.313039][ T48] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 201.326792][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 201.335366][ T48] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 201.348905][ T48] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 201.362320][ T48] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 201.375849][ T5576] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 201.395479][ T5576] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 201.407933][ T5565] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 201.418869][ T5565] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 201.446334][ T5565] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 201.458772][ T5578] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 201.459537][ T5565] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 201.476655][ T5565] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 201.486191][ T5565] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 201.506374][ T5565] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 201.533550][ T4869] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 201.552130][ T4869] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 201.570813][ T4869] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 201.582267][ T4869] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 201.602790][ T4869] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 201.616206][ T4869] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 203.411548][ T5576] Bluetooth: hci0: command tx timeout [ 203.571793][ T5576] Bluetooth: hci1: command tx timeout [ 203.573726][ T4869] Bluetooth: hci4: command tx timeout [ 203.577505][ T5576] Bluetooth: hci2: command tx timeout [ 203.653635][ T5576] Bluetooth: hci3: command tx timeout [ 203.803786][ T4929] ===================================================== [ 203.811060][ T4929] BUG: KMSAN: uninit-value in from_kuid_munged+0xb74/0xc90 [ 203.818822][ T4929] from_kuid_munged+0xb74/0xc90 [ 203.824049][ T4929] __scm_recv_common+0x233/0x910 [ 203.829234][ T4929] scm_recv_unix+0x5e/0x580 [ 203.834060][ T4929] __unix_dgram_recvmsg+0x14e1/0x1750 [ 203.839672][ T4929] unix_dgram_recvmsg+0x112/0x180 [ 203.845065][ T4929] sock_recvmsg+0x27b/0x310 [ 203.849816][ T4929] ____sys_recvmsg+0x193/0x620 [ 203.854897][ T4929] ___sys_recvmsg+0x20b/0x850 [ 203.864036][ T4929] __x64_sys_recvmsg+0x20e/0x3d0 [ 203.869334][ T4929] x64_sys_call+0x35cc/0x3ea0 [ 203.874418][ T4929] do_syscall_64+0x134/0xf80 [ 203.879225][ T4929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.885416][ T4929] [ 203.887845][ T4929] Local variable scm created at: [ 203.892977][ T4929] __unix_dgram_recvmsg+0x4d/0x1750 [ 203.898398][ T4929] unix_dgram_recvmsg+0x112/0x180 [ 203.903763][ T4929] [ 203.906248][ T4929] CPU: 1 UID: 0 PID: 4929 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 203.917009][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 203.927323][ T4929] ===================================================== [ 203.934606][ T4929] Disabling lock debugging due to kernel taint [ 204.034574][ T4929] Kernel panic - not syncing: kmsan.panic set ... [ 204.041213][ T4929] CPU: 1 UID: 0 PID: 4929 Comm: udevd Tainted: G B syzkaller #0 PREEMPT(full) [ 204.051905][ T4929] Tainted: [B]=BAD_PAGE [ 204.056187][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 204.066424][ T4929] Call Trace: [ 204.069834][ T4929] [ 204.072902][ T4929] __dump_stack+0x26/0x30 [ 204.077466][ T4929] dump_stack_lvl+0x50/0x1c0 [ 204.082283][ T4929] ? dump_stack+0x12/0x25 [ 204.086821][ T4929] dump_stack+0x1e/0x25 [ 204.091182][ T4929] vpanic+0x7b4/0x1430 [ 204.095504][ T4929] panic+0x15d/0x160 [ 204.099675][ T4929] kmsan_report+0x31a/0x320 [ 204.104430][ T4929] ? __msan_warning+0x1b/0x30 [ 204.109336][ T4929] ? from_kuid_munged+0xb74/0xc90 [ 204.114555][ T4929] ? __scm_recv_common+0x233/0x910 [ 204.119909][ T4929] ? scm_recv_unix+0x5e/0x580 [ 204.124846][ T4929] ? __unix_dgram_recvmsg+0x14e1/0x1750 [ 204.130628][ T4929] ? unix_dgram_recvmsg+0x112/0x180 [ 204.136078][ T4929] ? sock_recvmsg+0x27b/0x310 [ 204.141016][ T4929] ? ____sys_recvmsg+0x193/0x620 [ 204.146210][ T4929] ? ___sys_recvmsg+0x20b/0x850 [ 204.151292][ T4929] ? __x64_sys_recvmsg+0x20e/0x3d0 [ 204.156634][ T4929] ? x64_sys_call+0x35cc/0x3ea0 [ 204.161713][ T4929] ? do_syscall_64+0x134/0xf80 [ 204.166695][ T4929] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 204.172970][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.178354][ T4929] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 204.184930][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.190310][ T4929] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 204.196390][ T4929] ? preempt_schedule_irq+0x79/0xa0 [ 204.201798][ T4929] ? raw_irqentry_exit_cond_resched+0x5d/0x80 [ 204.208094][ T4929] ? irqentry_exit_to_kernel_mode_preempt+0x8b/0xc0 [ 204.214917][ T4929] ? irqentry_exit+0x7b/0x760 [ 204.219775][ T4929] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 204.226317][ T4929] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 204.232590][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.237945][ T4929] __msan_warning+0x1b/0x30 [ 204.242646][ T4929] from_kuid_munged+0xb74/0xc90 [ 204.247701][ T4929] __scm_recv_common+0x233/0x910 [ 204.252851][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.258194][ T4929] scm_recv_unix+0x5e/0x580 [ 204.262912][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.268247][ T4929] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 204.274293][ T4929] __unix_dgram_recvmsg+0x14e1/0x1750 [ 204.279933][ T4929] unix_dgram_recvmsg+0x112/0x180 [ 204.285189][ T4929] ? __pfx_unix_dgram_recvmsg+0x10/0x10 [ 204.290974][ T4929] sock_recvmsg+0x27b/0x310 [ 204.295716][ T4929] ____sys_recvmsg+0x193/0x620 [ 204.300682][ T4929] ? should_fail_ex+0x45/0x8c0 [ 204.305744][ T4929] ___sys_recvmsg+0x20b/0x850 [ 204.310663][ T4929] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 204.316703][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.322038][ T4929] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 204.328092][ T4929] __x64_sys_recvmsg+0x20e/0x3d0 [ 204.333267][ T4929] ? kmsan_get_metadata+0xf1/0x160 [ 204.338624][ T4929] x64_sys_call+0x35cc/0x3ea0 [ 204.343533][ T4929] do_syscall_64+0x134/0xf80 [ 204.348334][ T4929] ? clear_bhb_loop+0x50/0xa0 [ 204.353192][ T4929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 204.359286][ T4929] RIP: 0033:0x7f71754a7407 [ 204.363850][ T4929] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 204.383638][ T4929] RSP: 002b:00007ffefaa77cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 204.392256][ T4929] RAX: ffffffffffffffda RBX: 00007f7175b55880 RCX: 00007f71754a7407 [ 204.400377][ T4929] RDX: 0000000000000040 RSI: 00007ffefaa77de0 RDI: 0000000000000009 [ 204.408485][ T4929] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 204.416585][ T4929] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 204.424707][ T4929] R13: 000055742a963100 R14: 0000000000000000 R15: 0000000000000000 [ 204.432849][ T4929] [ 204.436164][ T4929] Kernel Offset: disabled [ 204.440597][ T4929] Rebooting in 86400 seconds..