forked to background, child pid 3049 no interfaces have a carrier [ 65.474184][ T3050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.539232][ T3050] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 92.372642][ T3477] kernel profiling enabled (shift: 4) 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 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 92.801975][ C1] ===================================================== [ 92.809129][ C1] BUG: KMSAN: uninit-value in profile_hits+0xaf2/0x1260 [ 92.816125][ C1] profile_hits+0xaf2/0x1260 [ 92.820782][ C1] profile_tick+0x241/0x250 [ 92.825343][ C1] tick_sched_timer+0x4bd/0x610 [ 92.830270][ C1] __run_hrtimer+0x49f/0xc50 [ 92.834915][ C1] hrtimer_interrupt+0x7f7/0x2100 [ 92.839986][ C1] __sysvec_apic_timer_interrupt+0x178/0x5e0 [ 92.846025][ C1] sysvec_apic_timer_interrupt+0x9d/0xc0 [ 92.851712][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 92.857754][ C1] _raw_spin_unlock_irq+0x36/0x60 [ 92.862829][ C1] __set_current_blocked+0xb0c/0xb90 [ 92.868177][ C1] __se_sys_rt_sigprocmask+0x438/0x5b0 [ 92.873691][ C1] __x64_sys_rt_sigprocmask+0x11e/0x170 [ 92.879290][ C1] do_syscall_64+0x54/0xd0 [ 92.883770][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 92.889723][ C1] [ 92.892058][ C1] Local variable iter.i created at: [ 92.897259][ C1] vfs_read+0xb8a/0x1980 [ 92.901557][ C1] ksys_read+0x28b/0x510 [ 92.905846][ C1] [ 92.908181][ C1] CPU: 1 PID: 3474 Comm: sshd Not tainted 5.17.0-syzkaller #0 [ 92.915676][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.925752][ C1] ===================================================== [ 92.932682][ C1] Disabling lock debugging due to kernel taint [ 92.938846][ C1] Kernel panic - not syncing: kmsan.panic set ... [ 92.945272][ C1] CPU: 1 PID: 3474 Comm: sshd Tainted: G B 5.17.0-syzkaller #0 [ 92.954166][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.964245][ C1] Call Trace: [ 92.967549][ C1] [ 92.970416][ C1] dump_stack_lvl+0x1ff/0x28e [ 92.975158][ C1] dump_stack+0x25/0x28 [ 92.979373][ C1] panic+0x487/0xe1f [ 92.983333][ C1] ? add_taint+0x181/0x210 [ 92.987796][ C1] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 92.993669][ C1] kmsan_report+0x2e6/0x2f0 [ 92.998241][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.003424][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 93.009307][ C1] ? __msan_warning+0xb8/0x130 [ 93.014127][ C1] ? profile_hits+0xaf2/0x1260 [ 93.018944][ C1] ? profile_tick+0x241/0x250 [ 93.023671][ C1] ? tick_sched_timer+0x4bd/0x610 [ 93.028771][ C1] ? __run_hrtimer+0x49f/0xc50 [ 93.033586][ C1] ? hrtimer_interrupt+0x7f7/0x2100 [ 93.038838][ C1] ? __sysvec_apic_timer_interrupt+0x178/0x5e0 [ 93.045057][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xc0 [ 93.050916][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 93.057159][ C1] ? _raw_spin_unlock_irq+0x36/0x60 [ 93.062410][ C1] ? __set_current_blocked+0xb0c/0xb90 [ 93.067928][ C1] ? __se_sys_rt_sigprocmask+0x438/0x5b0 [ 93.073617][ C1] ? __x64_sys_rt_sigprocmask+0x11e/0x170 [ 93.079404][ C1] ? do_syscall_64+0x54/0xd0 [ 93.084057][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.090189][ C1] ? __stack_depot_save+0x21/0x4d0 [ 93.095353][ C1] ? update_misfit_status+0x2c/0xd30 [ 93.100693][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.105878][ C1] ? raise_softirq_irqoff+0x5a/0x1c0 [ 93.111225][ C1] ? __stack_depot_save+0x21/0x4d0 [ 93.116406][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.121576][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.126745][ C1] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 93.133055][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.138232][ C1] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 93.144114][ C1] __msan_warning+0xb8/0x130 [ 93.150306][ C1] profile_hits+0xaf2/0x1260 [ 93.154966][ C1] profile_tick+0x241/0x250 [ 93.159526][ C1] ? __set_current_blocked+0xb0c/0xb90 [ 93.165052][ C1] tick_sched_timer+0x4bd/0x610 [ 93.169970][ C1] ? tick_setup_sched_timer+0x720/0x720 [ 93.175583][ C1] __run_hrtimer+0x49f/0xc50 [ 93.180235][ C1] hrtimer_interrupt+0x7f7/0x2100 [ 93.185347][ C1] ? hrtimer_init+0x5f0/0x5f0 [ 93.190082][ C1] __sysvec_apic_timer_interrupt+0x178/0x5e0 [ 93.196141][ C1] sysvec_apic_timer_interrupt+0x9d/0xc0 [ 93.201821][ C1] [ 93.204771][ C1] [ 93.207721][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 93.213762][ C1] RIP: 0010:_raw_spin_unlock_irq+0x36/0x60 [ 93.219626][ C1] Code: 41 68 f2 48 89 c3 8b b8 88 0c 00 00 48 8b 00 48 85 c0 75 30 4c 89 f7 e8 d8 36 68 f2 c6 00 00 41 c6 06 00 fb c7 03 00 00 00 00 01 00 00 00 e8 d0 ba 92 f1 65 8b 05 31 ff 12 70 85 c0 74 0c 5b [ 93.239282][ C1] RSP: 0018:ffff88812265fd50 EFLAGS: 00000282 [ 93.245393][ C1] RAX: ffff88810cd75ac0 RBX: ffff88810d59cc40 RCX: 0000000000541749 [ 93.253402][ C1] RDX: ffff88810d175ac0 RSI: 000000000542b490 RDI: ffffea000000000f [ 93.261413][ C1] RBP: ffff88812265fd60 R08: 0000000000000000 R09: ffff88810cd9c100 [ 93.269422][ C1] R10: 0000000000000000 R11: ffff88810d59c100 R12: 0000000000000000 [ 93.277410][ C1] R13: ffff88810d59cc40 R14: ffff88810d575ac0 R15: 0000000000000000 [ 93.285416][ C1] __set_current_blocked+0xb0c/0xb90 [ 93.290769][ C1] ? kmsan_get_metadata+0x33/0x220 [ 93.295959][ C1] __se_sys_rt_sigprocmask+0x438/0x5b0 [ 93.301490][ C1] __x64_sys_rt_sigprocmask+0x11e/0x170 [ 93.307112][ C1] do_syscall_64+0x54/0xd0 [ 93.311598][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.317552][ C1] RIP: 0033:0x7faba1befbc1 [ 93.321997][ C1] Code: 48 85 f6 74 15 48 b9 00 00 00 80 01 00 00 00 48 8b 06 48 85 c8 75 32 49 89 f0 41 ba 08 00 00 00 4c 89 c6 b8 0e 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 10 c3 [ 93.341648][ C1] RSP: 002b:00007ffc4d435488 EFLAGS: 00000246 ORIG_RAX: 000000000000000e [ 93.350110][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faba1befbc1 [ 93.358119][ C1] RDX: 00007ffc4d435578 RSI: 00007ffc4d4354f8 RDI: 0000000000000000 [ 93.366124][ C1] RBP: 00005597e802a120 R08: 00007ffc4d4354f8 R09: 0000000000000010 [ 93.374120][ C1] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000004 [ 93.382125][ C1] R13: 0000000000000001 R14: 00007ffc4d4354f8 R15: 00007ffc4d435578 [ 93.390145][ C1] [ 93.393355][ C1] Kernel Offset: disabled [ 93.397683][ C1] Rebooting in 86400 seconds..