This is not a blocker to the current kernel in -proposed (5.3.0-53.47~18.04.1)
As it can be reproduced with 5.3.0-51-generic ** Description changed: - Issue found on i386 instance pepe with 5.3.0-51-generic + Issue found on i386 instance pepe with 5.3.0-51-generic. + + This issue does not exist in Bionic i386. For Eoan, we don't test i386 + on it. Test log: <<<test_start>>> tag=bind04 stime=1589535760 cmdline="bind04" contacts="" analysis=exit <<<test_output>>> incrementing stop tst_test.c:1246: INFO: Timeout per run is 0h 05m 00s bind04.c:117: INFO: Testing AF_UNIX pathname stream bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing AF_UNIX pathname seqpacket bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing AF_UNIX abstract stream bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing AF_UNIX abstract seqpacket bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 loop TCP variant 1 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 loop TCP variant 2 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 loop SCTP bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 any TCP variant 1 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 any TCP variant 2 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv4 any SCTP bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv6 loop TCP variant 1 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv6 loop TCP variant 2 bind04.c:150: PASS: Communication successful bind04.c:117: INFO: Testing IPv6 loop SCTP bind04.c:150: PASS: Communication successful tst_test.c:1286: INFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1 tst_test.c:1287: BROK: Test killed! (timeout?) Summary: passed 13 failed 0 skipped 0 warnings 0 <<<execution_status>>> - dmesg output: [ 242.717444] LTP: starting bind04 [ 242.758656] sctp: Hash tables configured (bind 512/512) [ 242.761776] BUG: kernel NULL pointer dereference, address: 00000008 [ 242.761834] #PF: supervisor read access in kernel mode [ 242.761877] #PF: error_code(0x0000) - not-present page - [ 242.761920] *pdpt = 0000000025330001 *pde = 0000000000000000 + [ 242.761920] *pdpt = 0000000025330001 *pde = 0000000000000000 [ 242.761970] Oops: 0000 [#1] SMP PTI [ 242.762002] CPU: 3 PID: 2194 Comm: bind04 Not tainted 5.3.0-51-generic #44~18.04.2-Ubuntu [ 242.762073] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.8.2 08/17/2011 [ 242.762147] EIP: sctp_ulpevent_free+0x24/0x70 [sctp] [ 242.762192] Code: c2 f4 94 e0 66 90 66 66 66 66 90 55 89 e5 57 56 53 66 83 78 20 00 89 c3 78 3b 8b 78 3c 8b 40 40 85 c0 74 20 8b 83 88 00 00 00 <8b> 70 08 85 f6 74 13 90 8d 74 26 00 8d 46 18 e8 48 ec ff ff 8b 36 [ 242.762329] EAX: 00000000 EBX: e3c09718 ECX: 00000246 EDX: e3c09700 [ 242.762371] ESI: e3c19700 EDI: 00000000 EBP: e456deac ESP: e456dea0 [ 242.762414] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010202 [ 242.762460] CR0: 80050033 CR2: 00000008 CR3: 24530000 CR4: 000006f0 [ 242.762502] Call Trace: [ 242.762531] sctp_queue_purge_ulpevents+0x22/0x40 [sctp] [ 242.762576] sctp_close+0x69/0x270 [sctp] [ 242.762605] ? tty_write_unlock+0x2a/0x30 [ 242.762635] ? tty_ldisc_deref+0x13/0x20 [ 242.762663] inet_release+0x2f/0x60 [ 242.762689] inet6_release+0x28/0x40 [ 242.762716] __sock_release+0x32/0xb0 [ 242.762742] sock_close+0x12/0x20 [ 242.762767] __fput+0xb3/0x240 [ 242.762789] ____fput+0xd/0x10 [ 242.762813] task_work_run+0x82/0xa0 [ 242.762840] exit_to_usermode_loop+0xed/0x110 [ 242.762871] do_fast_syscall_32+0x1c7/0x240 [ 242.762901] entry_SYSENTER_32+0xaf/0x102 [ 242.762929] EIP: 0xb7eedaa5 [ 242.762950] Code: d3 5b 5e 5f 5d c3 8d b4 26 00 00 00 00 b8 00 09 3d 00 eb b5 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 [ 242.763075] EAX: 00000000 EBX: 00000007 ECX: 00000002 EDX: 00000000 [ 242.763120] ESI: b7edc000 EDI: 00000006 EBP: 00523210 ESP: bfc10ef0 [ 242.763163] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000293 [ 242.763209] Modules linked in: sctp ipmi_ssif intel_powerclamp coretemp kvm_intel ipmi_si kvm ipmi_devintf irqbypass gpio_ich acpi_power_meter dcdbas ipmi_msghandler intel_cstate i7core_edac mac_hid lpc_ich sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear mgag200 drm_vram_helper i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops mpt3sas drm raid_class pata_acpi bnx2 scsi_transport_sas [ 242.763677] CR2: 0000000000000008 [ 242.763726] ---[ end trace aa4a222d63d4ba7d ]--- [ 242.766853] EIP: sctp_ulpevent_free+0x24/0x70 [sctp] [ 242.766890] Code: c2 f4 94 e0 66 90 66 66 66 66 90 55 89 e5 57 56 53 66 83 78 20 00 89 c3 78 3b 8b 78 3c 8b 40 40 85 c0 74 20 8b 83 88 00 00 00 <8b> 70 08 85 f6 74 13 90 8d 74 26 00 8d 46 18 e8 48 ec ff ff 8b 36 [ 242.770320] EAX: 00000000 EBX: e3c09718 ECX: 00000246 EDX: e3c09700 [ 242.772090] ESI: e3c19700 EDI: 00000000 EBP: e456deac ESP: e456dea0 [ 242.773796] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010202 [ 242.775546] CR0: 80050033 CR2: 00000008 CR3: 24530000 CR4: 000006f0 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-5.3.0-51-generic 5.3.0-51.44~18.04.2 ProcVersionSignature: User Name 5.3.0-51.44~18.04.2-generic 5.3.18 Uname: Linux 5.3.0-51-generic i686 ApportVersion: 2.20.9-0ubuntu7.14 Architecture: i386 Date: Fri May 15 09:42:53 2020 SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878888 Title: kernel NULL pointer dereference on B-5.3 i386 with bind04 from ubuntu_ltp_syscalls To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1878888/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
