IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 sched: RT throttling activated NMI watchdog: BUG: soft lockup - CPU#1 stuck for 114s! [syz-executor.5:6573] Modules linked in: irq event stamp: 15448324 hardirqs last enabled at (15448323): [ 285.220986] [] seqcount_lockdep_reader_access include/linux/seqlock.h:82 [inline] hardirqs last enabled at (15448323): [ 285.220986] [] read_seqcount_begin include/linux/seqlock.h:163 [inline] hardirqs last enabled at (15448323): [ 285.220986] [] current_kernel_time64+0xc3/0x1a0 kernel/time/timekeeping.c:2170 hardirqs last disabled at (15448324): [ 285.231980] [] apic_timer_interrupt+0x87/0xa0 arch/x86/entry/entry_64.S:709 softirqs last enabled at (15444978): [ 285.243260] [] __do_softirq+0x451/0x9d8 kernel/softirq.c:310 softirqs last disabled at (15444971): [ 285.254425] [] invoke_softirq kernel/softirq.c:364 [inline] softirqs last disabled at (15444971): [ 285.254425] [] irq_exit+0x19b/0x1d0 kernel/softirq.c:405 CPU: 1 PID: 6573 Comm: syz-executor.5 Not tainted 4.9.0-rc3+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff880125c14500 task.stack: ffff880126788000 RIP: 0010:[] [] __wake_up_bit+0x10/0xd0 kernel/sched/wait.c:453 RSP: 0018:ffff88012678f498 EFLAGS: 00000246 RAX: ffffffff86c0d540 RBX: ffffea00041e4a00 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffea00041e4a00 RDI: ffffffff86c0d540 RBP: ffff88012678f4a0 R08: ffff8801291cd540 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea00041e4a00 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8801291cd330 FS: 00007f21a501c700(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000758080 CR3: 0000000126725000 CR4: 00000000001406e0 Stack: dffffc0000000000 ffff88012678f4c0 ffffffff8164725a ffffea00041e4a00 0000000000000001 ffff88012678f5c8 ffffffff81ab0b41 ffff8801d73a8780 0000000000000002 ffff8801291cd380 ffffffff86fd0d60 0000000000001c40 Call Trace: [] wake_up_page include/linux/pagemap.h:495 [inline] [] unlock_page+0x9a/0xd0 mm/filemap.c:867 [] ext4_da_write_begin+0x1d1/0xaa0 fs/ext4/inode.c:2923 [] generic_perform_write+0x238/0x4b0 mm/filemap.c:2730 [] __generic_file_write_iter+0x396/0x550 mm/filemap.c:2855 [] ext4_file_write_iter+0x1b0/0xdc0 fs/ext4/file.c:165 [] vfs_iter_write+0x2f6/0x620 fs/read_write.c:393 [] iter_file_splice_write+0x52c/0xbc0 fs/splice.c:771 [] do_splice_from fs/splice.c:873 [inline] [] direct_splice_actor+0x104/0x1c0 fs/splice.c:1040 [] splice_direct_to_actor+0x2a0/0x7a0 fs/splice.c:995 [] do_splice_direct+0x14e/0x260 fs/splice.c:1083 [] do_sendfile+0x4b5/0xe50 fs/read_write.c:1401 [] SYSC_sendfile64 fs/read_write.c:1456 [inline] [] SyS_sendfile64+0xb6/0x120 fs/read_write.c:1448 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: 00 eb b3 e8 13 5e 33 00 eb 89 e8 0c 5e 33 00 e9 60 ff ff ff 0f 1f 80 00 00 00 00 48 b9 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 <49> 89 fd 48 8d 45 88 41 54 4c 8d 67 38 48 c1 e8 03 53 48 89 c3 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6574 Comm: syz-executor.3 Not tainted 4.9.0-rc3+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801220ca380 task.stack: ffff8801191a0000 RIP: 0010:[] c [] jhash2 include/linux/jhash.h:129 [inline] RIP: 0010:[] c [] hash_stack lib/stackdepot.c:161 [inline] RIP: 0010:[] c [] depot_save_stack+0x79/0x490 lib/stackdepot.c:216 RSP: 0018:ffff8801191a7680 EFLAGS: 00000202 RAX: 000000003fe9919e RBX: 00000000c559bcd1 RCX: 000000009aaf3a1e RDX: ffff8801191a7744 RSI: 00000000024080c0 RDI: ffff8801191a76d8 RBP: ffff8801191a76c8 R08: ffff8801191a7690 R09: 0000000000000003 R10: 00000000574c80ba R11: 000000002751a72f R12: ffff88012afe9500 R13: ffff8801191a76f0 R14: ffff88012afe9500 R15: 000000000000000c FS: 00007f1ffab09700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000758080 CR3: 000000011a37f000 CR4: 00000000001406f0 Stack: ffff8801220ca380c 0000000000000000c ffff8801191a7f48c 0000000000000000c 00000000024080c0c ffff88012afe9500c 00000000024080c0c ffff88012afe9500c ffff88012bc00500c ffff8801191a78f8c ffffffff81773615c 000000400000000cc Call Trace: [] save_stack+0xb5/0xd0 mm/kasan/kasan.c:501 [] set_track mm/kasan/kasan.c:507 [inline] [] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] slab_post_alloc_hook mm/slab.h:417 [inline] [] slab_alloc mm/slab.c:3407 [inline] [] __do_kmalloc mm/slab.c:3731 [inline] [] __kmalloc+0x172/0x770 mm/slab.c:3742 [] kmalloc_array include/linux/slab.h:582 [inline] [] kcalloc include/linux/slab.h:593 [inline] [] iter_file_splice_write+0x12e/0xbc0 fs/splice.c:714 [] do_splice_from fs/splice.c:873 [inline] [] direct_splice_actor+0x104/0x1c0 fs/splice.c:1040 [] splice_direct_to_actor+0x2a0/0x7a0 fs/splice.c:995 [] do_splice_direct+0x14e/0x260 fs/splice.c:1083 [] do_sendfile+0x4b5/0xe50 fs/read_write.c:1401 [] SYSC_sendfile64 fs/read_write.c:1456 [inline] [] SyS_sendfile64+0xb6/0x120 fs/read_write.c:1448 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: c83 cc2 c0c c03 c42 cf8 c41 c29 cda c44 c03 c52 cf4 c41 c89 cdb c89 cd9 c41 cc1 cc3 c04 c01 cc1 c45 c31 cda c45 c89 cd3 c44 c29 cd0 c41 c01 cca c41 cc1 cc3 c06 c44 c31 cd8 c<41> c89 cc3 c29 cc1 c44 c01 cd0 c41 cc1 cc3 c08 c44 c31 cd9 c41 c89 ccb c41 c29 cca c