IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready BUG: unable to handle kernel paging request at ffff88026fb3f166 PGD 4001067 P4D 4001067 PUD 0 Oops: 0000 [#1] SMP PTI CPU: 0 PID: 3054 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:dbAdjTree+0x6/0xc0 fs/jfs/jfs_dmap.c:2910 Code: 0f 1f 40 00 55 31 f6 48 c7 c7 88 51 58 82 48 89 e5 e8 ee 2d ea ff 5d c3 90 90 90 90 90 90 90 90 90 90 90 90 03 77 08 48 63 c6 <0f> be 4c 07 11 39 d1 0f 84 a5 00 00 00 88 54 07 11 44 8b 47 0c 45 RSP: 0018:ffffc90000d5f9d8 EFLAGS: 00010206 RAX: 0000000040000155 RBX: ffff88022fb3f000 RCX: 000000000000005e RDX: 000000000000006b RSI: 0000000040000155 RDI: ffff88022fb3f000 RBP: ffffc90000d5fa08 R08: 0000000000000002 R09: 0000000022fe1e1f R10: 0000000000000000 R11: 000000000000006b R12: 0000000000000000 R13: 000000000000000d R14: 000000000000000a R15: 0000000020000000 FS: 00007f1b631156c0(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88026fb3f166 CR3: 000000022ff34000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbAdjCtl+0xe6/0x280 fs/jfs/jfs_dmap.c:2569 dbAllocDmap+0x43/0x80 fs/jfs/jfs_dmap.c:2082 dbAllocNext+0x162/0x190 fs/jfs/jfs_dmap.c:1225 dbAlloc+0x145/0x410 fs/jfs/jfs_dmap.c:791 extBalloc fs/jfs/jfs_extent.c:531 [inline] extAlloc+0x133/0x470 fs/jfs/jfs_extent.c:138 jfs_get_block+0x99/0x2a0 fs/jfs/inode.c:257 nobh_write_begin+0x1a3/0x510 fs/buffer.c:2607 jfs_write_begin+0x31/0x6a fs/jfs/inode.c:322 generic_perform_write+0xbe/0x1b0 mm/filemap.c:3139 __generic_file_write_iter+0x147/0x1c0 mm/filemap.c:3264 generic_file_write_iter+0x10e/0x210 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x11a/0x170 fs/read_write.c:487 vfs_write fs/read_write.c:549 [inline] vfs_write+0xaa/0x1a0 fs/read_write.c:533 ksys_write+0x53/0xc0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x15/0x20 fs/read_write.c:607 do_syscall_64+0x69/0x170 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1b63593d29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1b631150c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1b636c1f80 RCX: 00007f1b63593d29 RDX: 00000000fffffef2 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007f1b635e047e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f1b636c1f80 R15: 00007ffd702ef748 Modules linked in: CR2: ffff88026fb3f166 ---[ end trace 930f3033e36cad3b ]--- RIP: 0010:dbAdjTree+0x6/0xc0 fs/jfs/jfs_dmap.c:2910 Code: 0f 1f 40 00 55 31 f6 48 c7 c7 88 51 58 82 48 89 e5 e8 ee 2d ea ff 5d c3 90 90 90 90 90 90 90 90 90 90 90 90 03 77 08 48 63 c6 <0f> be 4c 07 11 39 d1 0f 84 a5 00 00 00 88 54 07 11 44 8b 47 0c 45 RSP: 0018:ffffc90000d5f9d8 EFLAGS: 00010206 RAX: 0000000040000155 RBX: ffff88022fb3f000 RCX: 000000000000005e RDX: 000000000000006b RSI: 0000000040000155 RDI: ffff88022fb3f000 RBP: ffffc90000d5fa08 R08: 0000000000000002 R09: 0000000022fe1e1f R10: 0000000000000000 R11: 000000000000006b R12: 0000000000000000 R13: 000000000000000d R14: 000000000000000a R15: 0000000020000000 FS: 00007f1b631156c0(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88026fb3f166 CR3: 000000022ff34000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 55 push %rbp 5: 31 f6 xor %esi,%esi 7: 48 c7 c7 88 51 58 82 mov $0xffffffff82585188,%rdi e: 48 89 e5 mov %rsp,%rbp 11: e8 ee 2d ea ff call 0xffea2e04 16: 5d pop %rbp 17: c3 ret 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 03 77 08 add 0x8(%rdi),%esi 27: 48 63 c6 movslq %esi,%rax * 2a: 0f be 4c 07 11 movsbl 0x11(%rdi,%rax,1),%ecx <-- trapping instruction 2f: 39 d1 cmp %edx,%ecx 31: 0f 84 a5 00 00 00 je 0xdc 37: 88 54 07 11 mov %dl,0x11(%rdi,%rax,1) 3b: 44 8b 47 0c mov 0xc(%rdi),%r8d 3f: 45 rex.RB