netlink: 3696 bytes leftover after parsing attributes in process `syz.0.0'. loop0: detected capacity change from 0 to 32768 ERROR: (device loop0): diAllocBit: iag inconsistent ialloc: diAlloc returned -5! bridge0: port 3(syz_tun) entered blocking state bridge0: port 3(syz_tun) entered disabled state syz_tun: entered allmulticast mode syz_tun: entered promiscuous mode bridge0: port 3(syz_tun) entered blocking state bridge0: port 3(syz_tun) entered forwarding state BUG at fs/jfs/jfs_dmap.c:3009 assert(nb <= DBWORD) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_dmap.c:3009! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00051-g7a13c14ee59d #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:dbFindBits+0x177/0x1a0 fs/jfs/jfs_dmap.c:3009 Code: e9 20 ff ff ff e8 89 3c 86 fe 48 c7 c7 80 62 a3 8b 48 c7 c6 c0 5f a3 8b ba c1 0b 00 00 48 c7 c1 40 6a a3 8b e8 7a 0d ee fd 90 <0f> 0b e8 62 3c 86 fe 48 c7 c7 80 62 a3 8b 48 c7 c6 c0 5f a3 8b ba RSP: 0018:ffffc9000d40fac8 EFLAGS: 00010246 RAX: 0000000000000032 RBX: 000000000000000a RCX: e2d98d478d597000 RDX: ffffc9000e28a000 RSI: 0000000000000d41 RDI: 0000000000000d42 RBP: 00000000ffffffff R08: ffffc9000d40f7a7 R09: 1ffff92001a81ef4 R10: dffffc0000000000 R11: fffff52001a81ef5 R12: 0000000000000000 R13: 000000000000000a R14: 0000000000000400 R15: ffff888043013000 FS: 00007fd25e0296c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd25107f000 CR3: 00000000416f2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbAllocDmapLev+0x16b/0x3c0 fs/jfs/jfs_dmap.c:1973 dbAllocCtl+0x14a/0x9b0 fs/jfs/jfs_dmap.c:1813 dbAllocAG+0x1e8/0xf10 fs/jfs/jfs_dmap.c:1349 dbDiscardAG+0x2df/0x900 fs/jfs/jfs_dmap.c:1598 jfs_ioc_trim+0x436/0x670 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2b5/0x3d0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd25d18e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd25e029038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd25d3b5fa0 RCX: 00007fd25d18e969 RDX: 0000200000000680 RSI: 00000000c0185879 RDI: 000000000000000b RBP: 00007fd25d210ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd25d3b5fa0 R15: 00007ffca212ae38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dbFindBits+0x177/0x1a0 fs/jfs/jfs_dmap.c:3009 Code: e9 20 ff ff ff e8 89 3c 86 fe 48 c7 c7 80 62 a3 8b 48 c7 c6 c0 5f a3 8b ba c1 0b 00 00 48 c7 c1 40 6a a3 8b e8 7a 0d ee fd 90 <0f> 0b e8 62 3c 86 fe 48 c7 c7 80 62 a3 8b 48 c7 c6 c0 5f a3 8b ba RSP: 0018:ffffc9000d40fac8 EFLAGS: 00010246 RAX: 0000000000000032 RBX: 000000000000000a RCX: e2d98d478d597000 RDX: ffffc9000e28a000 RSI: 0000000000000d41 RDI: 0000000000000d42 RBP: 00000000ffffffff R08: ffffc9000d40f7a7 R09: 1ffff92001a81ef4 R10: dffffc0000000000 R11: fffff52001a81ef5 R12: 0000000000000000 R13: 000000000000000a R14: 0000000000000400 R15: ffff888043013000 FS: 00007fd25e0296c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd251af8000 CR3: 00000000416f2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400