Title | Replies (including bot) | Last reply |
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[PATCH net] net/sched: flower: fix fl_change() error recovery path | 3 (3) | 2023/03/01 17:30 |
[syzbot] [net?] KASAN: null-ptr-deref Read in __fl_put | 0 (1) | 2023/02/27 18:42 |
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Title | Replies (including bot) | Last reply |
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[PATCH net] net/sched: flower: fix fl_change() error recovery path | 3 (3) | 2023/03/01 17:30 |
[syzbot] [net?] KASAN: null-ptr-deref Read in __fl_put | 0 (1) | 2023/02/27 18:42 |
================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:72 [inline] BUG: KASAN: null-ptr-deref in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] BUG: KASAN: null-ptr-deref in refcount_read include/linux/refcount.h:147 [inline] BUG: KASAN: null-ptr-deref in __refcount_add_not_zero include/linux/refcount.h:152 [inline] BUG: KASAN: null-ptr-deref in __refcount_inc_not_zero include/linux/refcount.h:227 [inline] BUG: KASAN: null-ptr-deref in refcount_inc_not_zero include/linux/refcount.h:245 [inline] BUG: KASAN: null-ptr-deref in maybe_get_net include/net/net_namespace.h:269 [inline] BUG: KASAN: null-ptr-deref in tcf_exts_get_net include/net/pkt_cls.h:260 [inline] BUG: KASAN: null-ptr-deref in __fl_put net/sched/cls_flower.c:513 [inline] BUG: KASAN: null-ptr-deref in __fl_put+0x13e/0x3b0 net/sched/cls_flower.c:508 Read of size 4 at addr 000000000000014c by task syz-executor548/5082 CPU: 0 PID: 5082 Comm: syz-executor548 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_report mm/kasan/report.c:420 [inline] kasan_report+0xec/0x130 mm/kasan/report.c:517 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x141/0x190 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:72 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] refcount_read include/linux/refcount.h:147 [inline] __refcount_add_not_zero include/linux/refcount.h:152 [inline] __refcount_inc_not_zero include/linux/refcount.h:227 [inline] refcount_inc_not_zero include/linux/refcount.h:245 [inline] maybe_get_net include/net/net_namespace.h:269 [inline] tcf_exts_get_net include/net/pkt_cls.h:260 [inline] __fl_put net/sched/cls_flower.c:513 [inline] __fl_put+0x13e/0x3b0 net/sched/cls_flower.c:508 fl_change+0x101b/0x4ab0 net/sched/cls_flower.c:2341 tc_new_tfilter+0x97c/0x2290 net/sched/cls_api.c:2310 rtnetlink_rcv_msg+0x996/0xd50 net/core/rtnetlink.c:6165 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg+0xde/0x190 net/socket.c:745 ____sys_sendmsg+0x334/0x900 net/socket.c:2504 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2558 __sys_sendmmsg+0x18f/0x460 net/socket.c:2644 __do_sys_sendmmsg net/socket.c:2673 [inline] __se_sys_sendmmsg net/socket.c:2670 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2670 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3613969d19 Code: 28 c3 e8 1a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc884e0c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f36139d7ed0 RCX: 00007f3613969d19 RDX: 04924924924926d3 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007ffc884e0c98 R08: 00007f36139d7e40 R09: 00007f36139d7e40 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc884e0ca0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/02/22 16:47 | net-old | 5b7c4cabbb65 | 409945bc | .config | strace log | report | syz | C | ci-upstream-net-this-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | ||
2023/02/22 17:24 | net-next-old | 5b7c4cabbb65 | 409945bc | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |
2023/03/02 19:16 | upstream | ee3f96b16468 | f8902b57 | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |||
2023/02/26 21:12 | upstream | 2fcd07b7ccd5 | ee50e71c | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |||
2023/02/22 20:10 | upstream | 5b7c4cabbb65 | 9f1e2cb3 | .config | console log | report | info | ci-qemu-upstream | KASAN: null-ptr-deref Read in __fl_put | |||
2023/02/22 15:32 | upstream | 5b7c4cabbb65 | 9f1e2cb3 | .config | console log | report | info | ci-qemu-upstream | KASAN: null-ptr-deref Read in __fl_put | |||
2023/02/23 11:18 | net-old | fd2a55e74a99 | 9e2ebb3c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | ||
2023/02/22 13:56 | net-old | 5b7c4cabbb65 | 409945bc | .config | console log | report | info | ci-upstream-net-this-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |||
2023/03/05 14:37 | net-next-old | 5b7c4cabbb65 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | ||
2023/02/21 06:15 | net-next-old | f2b6cfda76d2 | 4f5f5209 | .config | console log | report | info | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |||
2023/02/21 05:27 | net-next-old | f2b6cfda76d2 | 4f5f5209 | .config | console log | report | info | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Read in __fl_put | |||
2023/03/18 22:45 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe15c26ee26e | 7939252e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in __fl_put | ||
2023/03/16 12:51 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe15c26ee26e | 18b58603 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in __fl_put | ||
2023/03/10 15:58 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe15c26ee26e | 5205ef30 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in __fl_put | ||
2023/03/06 14:33 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe15c26ee26e | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in __fl_put | ||
2023/03/06 12:31 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe15c26ee26e | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in __fl_put |