Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 43.203932] can: request_module (can-proto-0) failed. [ 43.207813] can: request_module (can-proto-0) failed. [ 44.028639] IPVS: ftp: loaded support on port[0] = 21 [ 44.127535] ip (3454) used greatest stack depth: 11480 bytes left [ 44.152614] ip (3476) used greatest stack depth: 11464 bytes left [ 44.341269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.376948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.303408] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts. 2020/11/07 03:12:31 parsed 1 programs 2020/11/07 03:12:31 executed programs: 0 [ 51.333537] IPVS: ftp: loaded support on port[0] = 21 [ 51.338003] IPVS: ftp: loaded support on port[0] = 21 [ 51.348151] IPVS: ftp: loaded support on port[0] = 21 [ 51.349387] IPVS: ftp: loaded support on port[0] = 21 [ 51.361374] IPVS: ftp: loaded support on port[0] = 21 [ 51.363369] IPVS: ftp: loaded support on port[0] = 21 [ 51.405589] hfs: unable to locate alternate MDB [ 51.410387] hfs: continuing without an alternate MDB [ 51.421763] hfs: new node 0 already hashed? [ 51.426304] ------------[ cut here ]------------ [ 51.431200] WARNING: CPU: 1 PID: 3745 at fs/hfs/bnode.c:416 hfs_bnode_create.cold.13+0xe/0x15 [ 51.442058] Modules linked in: [ 51.445276] CPU: 1 PID: 3745 Comm: syz-executor3 Not tainted 5.10.0-rc2-syzkaller #0 [ 51.453277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.453398] hfs: unable to locate alternate MDB [ 51.462821] RIP: 0010:hfs_bnode_create.cold.13+0xe/0x15 [ 51.462831] Code: f6 e8 80 0f ff ff e9 5d 00 87 fe 48 c7 c7 30 a7 be 83 e8 6f 0f ff ff e9 55 07 87 fe 89 de 48 c7 c7 80 a7 be 83 e8 5c 0f ff ff <0f> 0b e9 82 09 87 fe 48 c7 c7 a4 a7 be 83 e8 49 0f ff ff 31 c0 e9 [ 51.462834] RSP: 0018:ffffc9000040bbd8 EFLAGS: 00010246 [ 51.462839] RAX: 000000000000001f RBX: 0000000000000000 RCX: 0000000000000000 [ 51.462842] RDX: 0000000000000000 RSI: ffff888237d18e30 RDI: ffff888237d18e30 [ 51.462844] RBP: ffffc9000040bc08 R08: 0000000000000001 R09: 0000000000000001 [ 51.462847] R10: 0000000000000001 R11: ffffc9000040b9c0 R12: ffff88810f7530e0 [ 51.462849] R13: ffff88810f7156c0 R14: ffff88810f753000 R15: ffff88810f7156c0 [ 51.462852] FS: 00007f61cf632700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 51.462855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.462858] CR2: 00000000004da4f8 CR3: 000000010f61f000 CR4: 00000000001506e0 [ 51.462863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.462865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.462868] Call Trace: [ 51.467626] hfs: continuing without an alternate MDB [ 51.473026] hfs_bmap_alloc+0x218/0x270 [ 51.509075] hfs: unable to locate alternate MDB [ 51.511879] hfs_bnode_split+0x37/0x390 [ 51.519416] hfs: continuing without an alternate MDB [ 51.526580] hfs: new node 0 already hashed? [ 51.526725] ? _cond_resched+0x14/0x30 [ 51.534087] ------------[ cut here ]------------ [ 51.542393] hfs_brec_insert+0xce/0x370 [ 51.542404] hfs_cat_create+0x298/0x2f0 [ 51.548384] WARNING: CPU: 0 PID: 3773 at fs/hfs/bnode.c:416 hfs_bnode_create.cold.13+0xe/0x15 [ 51.555657] hfs_mkdir+0x3c/0xa0 [ 51.562919] Modules linked in: [ 51.570259] vfs_mkdir+0x10d/0x1c0 [ 51.572763] [ 51.577856] do_mkdirat+0xe3/0x110 [ 51.577864] __x64_sys_mkdir+0x16/0x20 [ 51.581825] CPU: 0 PID: 3773 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 [ 51.586497] do_syscall_64+0x37/0x80 [ 51.586503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.590469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.595572] RIP: 0033:0x4554a9 [ 51.595577] Code: 9d b9 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 6b b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.599993] RIP: 0010:hfs_bnode_create.cold.13+0xe/0x15 [ 51.604302] RSP: 002b:00007f61cf631c68 EFLAGS: 00000246 [ 51.609044] Code: f6 e8 80 0f ff ff e9 5d 00 87 fe 48 c7 c7 30 a7 be 83 e8 6f 0f ff ff e9 55 07 87 fe 89 de 48 c7 c7 80 a7 be 83 e8 5c 0f ff ff <0f> 0b e9 82 09 87 fe 48 c7 c7 a4 a7 be 83 e8 49 0f ff ff 31 c0 e9 [ 51.613003] ORIG_RAX: 0000000000000053 [ 51.613007] RAX: ffffffffffffffda RBX: 00007f61cf6326d4 RCX: 00000000004554a9 [ 51.616975] RSP: 0018:ffffc9000053bbd8 EFLAGS: 00010246 [ 51.625722] RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000020000180 [ 51.625724] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 51.625726] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.625729] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000000 [ 51.625741] Kernel panic - not syncing: panic_on_warn set ... [ 51.629095] [ 51.632253] CPU: 1 PID: 3745 Comm: syz-executor3 Not tainted 5.10.0-rc2-syzkaller #0 [ 51.632256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.632257] Call Trace: [ 51.632266] dump_stack+0xa9/0xd1 [ 51.632271] panic+0x135/0x32c [ 51.635800] RAX: 000000000000001f RBX: 0000000000000000 RCX: 0000000000000000 [ 51.637400] ? hfs_bnode_create.cold.13+0xe/0x15 [ 51.637404] __warn.cold.13+0x4d/0x4d [ 51.637407] ? hfs_bnode_create.cold.13+0xe/0x15 [ 51.637414] report_bug+0xc5/0x100 [ 51.640962] RDX: 0000000000000000 RSI: ffff888237c18e30 RDI: ffff888237c18e30 [ 51.644815] handle_bug+0x39/0xa0 [ 51.644819] exc_invalid_op+0x18/0x70 [ 51.644824] asm_exc_invalid_op+0x12/0x20 [ 51.644827] RIP: 0010:hfs_bnode_create.cold.13+0xe/0x15 [ 51.644831] Code: f6 e8 80 0f ff ff e9 5d 00 87 fe 48 c7 c7 30 a7 be 83 e8 6f 0f ff ff e9 55 07 87 fe 89 de 48 c7 c7 80 a7 be 83 e8 5c 0f ff ff <0f> 0b e9 82 09 87 fe 48 c7 c7 a4 a7 be 83 e8 49 0f ff ff 31 c0 e9 [ 51.652708] RBP: ffffc9000053bc08 R08: 0000000000000001 R09: 0000000000000001 [ 51.656386] RSP: 0018:ffffc9000040bbd8 EFLAGS: 00010246 [ 51.656390] RAX: 000000000000001f RBX: 0000000000000000 RCX: 0000000000000000 [ 51.656392] RDX: 0000000000000000 RSI: ffff888237d18e30 RDI: ffff888237d18e30 [ 51.656394] RBP: ffffc9000040bc08 R08: 0000000000000001 R09: 0000000000000001 [ 51.656396] R10: 0000000000000001 R11: ffffc9000040b9c0 R12: ffff88810f7530e0 [ 51.656399] R13: ffff88810f7156c0 R14: ffff88810f753000 R15: ffff88810f7156c0 [ 51.656410] ? hfs_bnode_create.cold.13+0xe/0x15 [ 51.661581] R10: 0000000000000001 R11: 0000000000000082 R12: ffff88810f52d0e0 [ 51.670918] hfs_bmap_alloc+0x218/0x270 [ 51.670926] hfs_bnode_split+0x37/0x390 [ 51.670931] ? _cond_resched+0x14/0x30 [ 51.670937] hfs_brec_insert+0xce/0x370 [ 51.670945] hfs_cat_create+0x298/0x2f0 [ 51.670957] hfs_mkdir+0x3c/0xa0 [ 51.670964] vfs_mkdir+0x10d/0x1c0 [ 51.670969] do_mkdirat+0xe3/0x110 [ 51.670980] __x64_sys_mkdir+0x16/0x20 [ 51.670984] do_syscall_64+0x37/0x80 [ 51.674168] R13: ffff888111051240 R14: ffff88810f52d000 R15: ffff888111051240 [ 51.693042] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.693046] RIP: 0033:0x4554a9 [ 51.693051] Code: 9d b9 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 6b b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.693053] RSP: 002b:00007f61cf631c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 51.693057] RAX: ffffffffffffffda RBX: 00007f61cf6326d4 RCX: 00000000004554a9 [ 51.693059] RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000020000180 [ 51.693061] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 51.693065] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 51.699037] FS: 00007fd0d4d70700(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 51.704444] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000000 [ 51.724639] Kernel Offset: disabled [ 52.067947] Rebooting in 86400 seconds..