IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7793 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104 Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 90 4d RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809aab4800 RCX: ffffffff8637955b RDX: 000000000000006b RSI: ffffffff8637968c RDI: 0000000000000358 RBP: ffff8880ae907b18 R08: ffff8880877ac480 R09: ffffed1013c53fc5 R10: ffffed1013c53fc4 R11: ffff88809e29fe23 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff88808b3cd400 FS: 00000000016a0940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd1eac9fc8 CR3: 0000000098fce000 CR4: 00000000001406e0 Call Trace: rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:258 rose_rx_call_request+0x4ea/0x1990 net/rose/af_rose.c:1001 rose_loopback_timer+0x26a/0x3f0 net/rose/rose_loopback.c:100 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694 __do_softirq+0x266/0x95a kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__find_get_block+0x289/0xcf0 fs/buffer.c:1293 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 7b 09 00 00 48 83 3d e9 04 d4 06 00 0f 84 a9 07 00 00 e8 4e 66 b1 ff fb 66 0f 1f 44 00 00 <4d> 85 ff 0f 84 c1 01 00 00 e8 39 66 b1 ff 0f 1f 44 00 00 e8 2f 66 RSP: 0018:ffff88808a18f8d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880877ac480 RBX: ffff8880974bd5e8 RCX: 1ffff11010ef59a9 RDX: 0000000000000000 RSI: ffffffff81be7e22 RDI: ffff8880877accfc RBP: ffff88808a18f930 R08: ffff8880877ac480 R09: ffff8880877acd48 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 00000000000025e8 R14: 00000000000293c0 R15: ffff8880974bd5e8 __getblk_gfp+0x38/0x960 fs/buffer.c:1317 sb_getblk include/linux/buffer_head.h:325 [inline] ext4_getblk+0x177/0x510 fs/ext4/inode.c:973 ext4_bread+0x8f/0x230 fs/ext4/inode.c:1016 __ext4_read_dirblock+0x34/0x980 fs/ext4/namei.c:101 ext4_add_entry+0x585/0xb70 fs/ext4/namei.c:2078 ext4_mkdir+0x73f/0xdf0 fs/ext4/namei.c:2641 vfs_mkdir+0x433/0x690 fs/namei.c:3816 do_mkdirat+0x234/0x2a0 fs/namei.c:3839 __do_sys_mkdir fs/namei.c:3855 [inline] __se_sys_mkdir fs/namei.c:3853 [inline] __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3853 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457247 Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd1eacb288 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000000000000bdd8 RCX: 0000000000457247 RDX: 00007ffd1eacb2d3 RSI: 00000000000001ff RDI: 00007ffd1eacb2d0 RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000005 R13: 000000000000bdd2 R14: 0000000000000003 R15: 0000000000000000 Modules linked in: ---[ end trace 9082cc20edfb31d8 ]--- RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104 Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 90 4d RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809aab4800 RCX: ffffffff8637955b RDX: 000000000000006b RSI: ffffffff8637968c RDI: 0000000000000358 RBP: ffff8880ae907b18 R08: ffff8880877ac480 R09: ffffed1013c53fc5 R10: ffffed1013c53fc4 R11: ffff88809e29fe23 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff88808b3cd400 FS: 00000000016a0940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd1eac9fc8 CR3: 0000000098fce000 CR4: 00000000001406e0