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================================================================== BUG: KCSAN: data-race in __d_rehash / fast_dput write to 0xffff888106911b50 of 8 bytes by task 3305 on cpu 1: hlist_bl_add_head_rcu include/linux/rculist_bl.h:81 [inline] __d_rehash+0xa9/0x210 fs/dcache.c:2431 __d_add+0x373/0x4a0 fs/dcache.c:2646 d_splice_alias+0xd6/0x270 fs/dcache.c:3037 proc_sys_lookup+0x386/0x440 fs/proc/proc_sysctl.c:545 lookup_open fs/namei.c:3627 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0xd40/0x1fa0 fs/namei.c:3984 do_filp_open+0x107/0x230 fs/namei.c:4014 do_sys_openat2+0xab/0x120 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1428 x64_sys_call+0x2b30/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888106911b50 of 8 bytes by task 3303 on cpu 0: hlist_bl_unhashed include/linux/list_bl.h:54 [inline] d_unhashed include/linux/dcache.h:354 [inline] retain_dentry fs/dcache.c:708 [inline] fast_dput+0x65/0x2c0 fs/dcache.c:804 dput+0x24/0xd0 fs/dcache.c:861 __fput+0x3fb/0x6d0 fs/file_table.c:458 __fput_sync+0x96/0xc0 fs/file_table.c:535 __do_sys_close fs/open.c:1554 [inline] __se_sys_close+0x109/0x1b0 fs/open.c:1539 __x64_sys_close+0x1f/0x30 fs/open.c:1539 x64_sys_call+0x266c/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:4 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffff8882378a6b80 -> 0xffff8881068cd6c8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3303 Comm: syz-executor Not tainted 6.13.0-rc4-syzkaller-00071-gfd0584d220fe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state bridge_slave_0: entered allmulticast mode bridge_slave_0: entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_1: entered allmulticast mode bridge_slave_1: entered promiscuous mode bond0: (slave bond_slave_0): Enslaving as an active interface with an up link bond0: (slave bond_slave_1): Enslaving as an active interface with an up link team0: Port device team_slave_0 added team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active hsr_slave_0: entered promiscuous mode hsr_slave_1: entered promiscuous mode debugfs: Directory 'hsr0' with parent 'hsr' already present! Cannot create hsr debugfs directory netdevsim netdevsim2 netdevsim0: renamed from eth0 netdevsim netdevsim2 netdevsim1: renamed from eth1 netdevsim netdevsim2 netdevsim2: renamed from eth2 netdevsim netdevsim2 netdevsim3: renamed from eth3 8021q: adding VLAN 0 to HW filter on device bond0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device batadv0 veth0_vlan: entered promiscuous mode veth1_vlan: entered promiscuous mode veth0_macvtap: entered promiscuous mode veth1_macvtap: entered promiscuous mode batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_1 netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/12/28 17:47 | upstream | fd0584d220fe | d3ccff63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/12/01 08:55 | upstream | bcc8eda6d349 | 68914665 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/26 01:14 | upstream | 850925a8133c | 045e728d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/22 06:26 | upstream | d12937763990 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/16 08:25 | upstream | 2f87d0916ce0 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/12 19:10 | upstream | 09f6b0c8904b | 084d8178 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/05 00:16 | upstream | 2f91ff27b0ee | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/10/02 01:52 | upstream | e32cde8d2bd7 | ea2b66a6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/09/24 23:37 | upstream | abf2050f51fd | 5643e0e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/09/19 22:31 | upstream | 2004cef11ea0 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/09/19 14:09 | upstream | 839c4f596f89 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/09/03 16:30 | upstream | 67784a74e258 | 326f9c5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/24 18:56 | upstream | d2bafcf224f3 | d7d32352 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/14 15:13 | upstream | 6b0f8db921ab | e6b88e20 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/13 04:46 | upstream | d74da846046a | 7b0f4b46 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/11 18:01 | upstream | 5189dafa4cf9 | 6f4edef4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/01 17:35 | upstream | 183d46ff422e | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/08/01 15:35 | upstream | 21b136cc63d2 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/07/13 05:40 | upstream | 528dd46d0fc3 | eaeb5c15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput | ||
2024/07/06 06:51 | upstream | d270dd21bee0 | 2a40360c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __d_rehash / fast_dput |