batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.1:7752] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] (null) hardirqs last disabled at (0): [] copy_process.part.3+0x1743/0x74b0 kernel/fork.c:1809 softirqs last enabled at (0): [] copy_process.part.3+0x17df/0x74b0 kernel/fork.c:1812 softirqs last disabled at (0): [<0000000000000000>] (null) CPU: 1 PID: 7752 Comm: syz-executor.1 Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x169/0x360 kernel/smp.c:302 Code: 00 45 85 ff 0f 84 85 00 00 00 44 89 e7 4c 89 f1 4c 89 ea 48 8d 74 24 40 e8 04 fb ff ff 41 89 c4 8b 44 24 58 a8 01 74 0b f3 90 <8b> 54 24 58 83 e2 01 75 f5 bf 01 00 00 00 e8 04 b6 e9 ff 65 8b 15 RSP: 0018:ffff880090b37ba0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000003 RBX: 1ffff10012166f78 RCX: 0000000000000830 RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000830 RBP: ffff880090b37c70 R08: ffffed0015d45c01 R09: ffffed0015d45c00 R10: ffffed0015d45c00 R11: ffff8800aea2e007 R12: 0000000000000000 R13: ffffffff8152ca80 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f48b4119700(0000) GS:ffff8800aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe0aaafb90 CR3: 00000000a8d57000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x520/0x7a0 kernel/smp.c:434 smp_call_function+0x36/0x60 kernel/smp.c:492 on_each_cpu+0x2a/0x180 kernel/smp.c:604 clock_was_set+0x17/0x20 kernel/time/hrtimer.c:861 do_settimeofday64+0x24a/0x320 kernel/time/timekeeping.c:1270 do_sys_settimeofday64+0x154/0x1d0 kernel/time/time.c:196 posix_clock_realtime_set+0xe/0x10 kernel/time/posix-timers.c:199 __do_sys_clock_settime kernel/time/posix-timers.c:1053 [inline] __se_sys_clock_settime+0xcf/0x140 kernel/time/posix-timers.c:1041 __x64_sys_clock_settime+0x4f/0x70 kernel/time/posix-timers.c:1041 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45cba9 Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f48b4118c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3 RAX: ffffffffffffffda RBX: 00000000004dbbc0 RCX: 000000000045cba9 RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000000 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000007b R14: 00000000004c352c R15: 00007f48b41196d4 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7756 Comm: modprobe Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_object_activate+0x6a/0x4e0 lib/debugobjects.c:468 Code: 24 20 80 97 28 83 4b 8d 04 3c c7 00 f1 f1 f1 f1 c7 40 08 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00 00 00 31 c0 <8b> 05 38 b8 f7 05 48 89 7c 24 48 48 c7 44 24 40 00 00 00 00 48 c7 RSP: 0018:ffff8800aea07d00 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88008f578c00 RCX: ffffffff814b1ae1 RDX: 0000000000000000 RSI: ffffffff88595520 RDI: ffff88008f578c00 RBP: ffff8800aea07dc0 R08: ffffed0015d44b79 R09: ffffed0015d44b78 R10: ffffed0015d44b78 R11: ffff8800aea25bc3 R12: 1ffff10015d40fa2 R13: ffff88008f578c00 R14: dffffc0000000000 R15: dffffc0000000000 FS: 00007fb4373064c0(0000) GS:ffff8800aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c0b12f1238 CR3: 0000000092b70000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_hrtimer_activate kernel/time/hrtimer.c:416 [inline] debug_activate kernel/time/hrtimer.c:465 [inline] enqueue_hrtimer+0x26/0x2f0 kernel/time/hrtimer.c:954 __run_hrtimer kernel/time/hrtimer.c:1413 [inline] __hrtimer_run_queues+0x7a0/0xaa0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x2df/0x760 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x114/0x530 arch/x86/kernel/apic/apic.c:1054 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline] RIP: 0010:path_init+0xd84/0x1580 fs/namei.c:2245 Code: 00 00 fc ff df 4c 8b 55 c8 48 c1 e8 03 80 3c 10 00 0f 85 a2 07 00 00 48 83 3d 3f f4 b6 06 00 0f 84 cc 03 00 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 46 fe ff ff 0f 0b e8 fb b7 f4 ff e9 2d f3 ff ff RSP: 0018:ffff88008f79f9e0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff10a3389 RBX: ffff88008f79fbe0 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff88008f79fa58 R08: 0000000000000000 R09: 0000000000000001 R10: ffff880097b429a0 R11: 0000000000000000 R12: 0000000000000282 R13: ffff880097b429b0 R14: ffff880092fa7800 R15: ffff88008fe44e60 path_lookupat.isra.14+0x95/0x840 fs/namei.c:2308 filename_lookup.part.22+0x160/0x360 fs/namei.c:2348 filename_lookup fs/namei.c:2341 [inline] user_path_at_empty+0x39/0x40 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0xbe/0x150 fs/stat.c:185 vfs_fstatat include/linux/fs.h:3135 [inline] __do_sys_newfstatat fs/stat.c:364 [inline] __se_sys_newfstatat+0x7d/0xd0 fs/stat.c:358 __x64_sys_newfstatat+0x92/0xf0 fs/stat.c:358 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb436e2444b Code: 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 d0 77 38 48 63 fe 4d 63 d0 48 89 c6 48 89 ca b8 06 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 f3 c3 0f 1f 00 48 8b 15 19 da 2b 00 f7 d8 RSP: 002b:00007ffc4f48cd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 000055c0b12e9243 RCX: 00007fb436e2444b RDX: 00007ffc4f48cef0 RSI: 000055c0b12e9243 RDI: 0000000000000000 RBP: 000055c0b0adceb9 R08: 0000000000000000 R09: 0000000000008040 R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0b12e9200 R13: 000055c0b12e9230 R14: 000055c0b0ce4078 R15: 0005a1ac222d8bf8