ci2 starts bisection 2024-04-22 17:11:33.813007213 +0000 UTC m=+28722.270413248 bisecting fixing commit since fa74641fb6b93a19ccb50579886ecc98320230f9 building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec ensuring issue is reproducible on original commit fa74641fb6b93a19ccb50579886ecc98320230f9 testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97502dff8e357c098631b2fb4a10b9b6cdcd930558692460204dd1fdc6b0aca9 run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #10: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #11: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #12: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #13: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #14: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #15: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #16: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #17: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #18: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #19: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock representative crash: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7db34dfb1c5e42b00bc7ca86533f414abec6e15aa793cd6e91e2033b4f8461a6 run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7524 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dab80505bc9f21bc476f3b4f3e57a506c62b8a34041fa183d044e9473c17773f run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock representative crash: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d41eb24b0e598f31fc3e94eacd0a7c4aef1f9e8ee854baf97aa71c53d2d253d run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock representative crash: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8c387ecee2e4c4ab761cb2b5b4774b071221ff453893c09408fa0f3eb88315c run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock representative crash: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 00262953c0a13b3ba316e2da81a0053365340ed2da82608123e0f2f0188de555 run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 322eb3defb6efeae2bbd2d2f1238a1ec5a837b6417bf98188a687a0a571cb68f run #0: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock representative crash: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock, types: [KASAN] the chunk can be dropped disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD 6741e066ec7633450d3186946035c1f80c4226b8 testing commit 6741e066ec7633450d3186946035c1f80c4226b8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae1c3e3d671fd850ea9501cd5581b3c58d664a858359eaaacc0c24451bae972a run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #1: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #4: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h5m37.394098534s (build: 1h5m24.760586866s, test: 56m43.377953721s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.87 crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock loop0: detected capacity change from 0 to 2048 EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. ================================================================== BUG: KASAN: use-after-free in ext4_read_inline_data fs/ext4/inline.c:210 [inline] BUG: KASAN: use-after-free in ext4_convert_inline_data_nolock+0x282/0xc10 fs/ext4/inline.c:1216 Read of size 20 at addr ffff88810ba5f1a3 by task syz-executor.0/1514 CPU: 1 PID: 1514 Comm: syz-executor.0 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf4/0x251 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ext4_read_inline_data fs/ext4/inline.c:210 [inline] ext4_convert_inline_data_nolock+0x282/0xc10 fs/ext4/inline.c:1216 ext4_convert_inline_data+0x3b8/0x4d0 fs/ext4/inline.c:2077 ext4_fallocate+0x136/0x1790 fs/ext4/extents.c:4731 vfs_fallocate+0x30c/0x3d0 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __x64_sys_fallocate+0xa6/0xd0 fs/open.c:352 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa2c25fe959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa2c21810c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fa2c271df80 RCX: 00007fa2c25fe959 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fa2c265ac88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fa2c271df80 R15: 00007ffc94118a08 Allocated by task 1050: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:556 [inline] rtnl_newlink+0xe1/0x1b20 net/core/rtnetlink.c:3619 rtnetlink_rcv_msg+0x741/0xc20 net/core/rtnetlink.c:6121 netlink_rcv_skb+0x1c3/0x3b0 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x5a8/0x7c0 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x787/0xb60 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x4a8/0x630 net/socket.c:2148 __do_sys_sendto net/socket.c:2160 [inline] __se_sys_sendto net/socket.c:2156 [inline] __x64_sys_sendto+0xd5/0xf0 net/socket.c:2156 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88810ba5f000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 419 bytes inside of 2048-byte region [ffff88810ba5f000, ffff88810ba5f800) The buggy address belongs to the physical page: page:ffffea00042e9600 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88810ba5f000 pfn:0x10ba58 head:ffffea00042e9600 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x200000000010200(slab|head|node=0|zone=2) raw: 0200000000010200 ffffea00042e9c08 ffffea00042b9608 ffff888100042000 raw: ffff88810ba5f000 0000000000080004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2387268438, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x286/0x2b0 mm/page_alloc.c:2513 prep_new_page mm/page_alloc.c:2520 [inline] get_page_from_freelist+0x2ba7/0x2de0 mm/page_alloc.c:4279 __alloc_pages+0x251/0x640 mm/page_alloc.c:5547 alloc_page_interleave+0xf/0x130 mm/mempolicy.c:2115 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x70/0x250 mm/slub.c:1992 ___slab_alloc+0x9df/0xe70 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x195/0x250 mm/slub.c:3437 kmalloc_trace+0x26/0xc0 mm/slab_common.c:1045 kmalloc include/linux/slab.h:556 [inline] kzalloc include/linux/slab.h:692 [inline] wakeup_source_device_create drivers/base/power/wakeup_stats.c:142 [inline] wakeup_source_sysfs_add+0x4c/0x240 drivers/base/power/wakeup_stats.c:181 wakeup_source_register+0x108/0x1e0 drivers/base/power/wakeup.c:228 acpi_add_pm_notifier+0x119/0x210 drivers/acpi/device_pm.c:576 pci_acpi_add_pm_notifier drivers/pci/pci-acpi.c:884 [inline] pci_acpi_setup+0x39a/0x830 drivers/pci/pci-acpi.c:1425 acpi_device_notify+0x1dc/0x2e0 drivers/acpi/glue.c:381 device_platform_notify drivers/base/core.c:2314 [inline] device_add+0x3ca/0xd90 drivers/base/core.c:3628 pci_device_add+0xca8/0x1670 drivers/pci/probe.c:2569 page_owner free stack trace missing Memory state around the buggy address: ffff88810ba5f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810ba5f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88810ba5f180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810ba5f200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810ba5f280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================