macOS12.3.1，M1，Downloading后自动结束了 #25
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marcan
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Jun 21, 2022
This commit adds python script to parse CoreSight tracing event and
print out source line and disassembly, it generates readable program
execution flow for easier humans inspecting.
The script receives CoreSight tracing packet with below format:
+------------+------------+------------+
packet(n): | addr | ip | cpu |
+------------+------------+------------+
packet(n+1): | addr | ip | cpu |
+------------+------------+------------+
packet::addr presents the start address of the coming branch sample, and
packet::ip is the last address of the branch smple. Therefore, a code
section between branches starts from packet(n)::addr and it stops at
packet(n+1)::ip. As results we combines the two continuous packets to
generate the address range for instructions:
[ sample(n)::addr .. sample(n+1)::ip ]
The script supports both objdump or llvm-objdump for disassembly with
specifying option '-d'. If doesn't specify option '-d', the script
simply outputs source lines and symbols.
Below shows usages with llvm-objdump or objdump to output disassembly.
# perf script -s scripts/python/arm-cs-trace-disasm.py -- -d llvm-objdump-11 -k ./vmlinux
ARM CoreSight Trace Data Assembler Dump
ffff800008eb3198 <etm4_enable_hw>:
ffff800008eb3310: c0 38 00 35 cbnz w0, 0xffff800008eb3a28 <etm4_enable_hw+0x890>
ffff800008eb3314: 9f 3f 03 d5 dsb sy
ffff800008eb3318: df 3f 03 d5 isb
ffff800008eb331c: f5 5b 42 a9 ldp x21, x22, [sp, #32]
ffff800008eb3320: fb 73 45 a9 ldp x27, x28, [sp, #80]
ffff800008eb3324: e0 82 40 39 ldrb w0, [x23, #32]
ffff800008eb3328: 60 00 00 34 cbz w0, 0xffff800008eb3334 <etm4_enable_hw+0x19c>
ffff800008eb332c: e0 03 19 aa mov x0, x25
ffff800008eb3330: 8c fe ff 97 bl 0xffff800008eb2d60 <etm4_cs_lock.isra.0.part.0>
main 6728/6728 [0004] 0.000000000 etm4_enable_hw+0x198 [kernel.kallsyms]
ffff800008eb2d60 <etm4_cs_lock.isra.0.part.0>:
ffff800008eb2d60: 1f 20 03 d5 nop
ffff800008eb2d64: 1f 20 03 d5 nop
ffff800008eb2d68: 3f 23 03 d5 hint #25
ffff800008eb2d6c: 00 00 40 f9 ldr x0, [x0]
ffff800008eb2d70: 9f 3f 03 d5 dsb sy
ffff800008eb2d74: 00 c0 3e 91 add x0, x0, #4016
ffff800008eb2d78: 1f 00 00 b9 str wzr, [x0]
ffff800008eb2d7c: bf 23 03 d5 hint #29
ffff800008eb2d80: c0 03 5f d6 ret
main 6728/6728 [0004] 0.000000000 etm4_cs_lock.isra.0.part.0+0x20
# perf script -s scripts/python/arm-cs-trace-disasm.py -- -d objdump -k ./vmlinux
ARM CoreSight Trace Data Assembler Dump
ffff800008eb3310 <etm4_enable_hw+0x178>:
ffff800008eb3310: 350038c0 cbnz w0, ffff800008eb3a28 <etm4_enable_hw+0x890>
ffff800008eb3314: d5033f9f dsb sy
ffff800008eb3318: d5033fdf isb
ffff800008eb331c: a9425bf5 ldp x21, x22, [sp, #32]
ffff800008eb3320: a94573fb ldp x27, x28, [sp, #80]
ffff800008eb3324: 394082e0 ldrb w0, [x23, #32]
ffff800008eb3328: 34000060 cbz w0, ffff800008eb3334 <etm4_enable_hw+0x19c>
ffff800008eb332c: aa1903e0 mov x0, x25
ffff800008eb3330: 97fffe8c bl ffff800008eb2d60 <etm4_cs_lock.isra.0.part.0>
main 6728/6728 [0004] 0.000000000 etm4_enable_hw+0x198 [kernel.kallsyms]
ffff800008eb2d60 <etm4_cs_lock.isra.0.part.0>:
ffff800008eb2d60: d503201f nop
ffff800008eb2d64: d503201f nop
ffff800008eb2d68: d503233f paciasp
ffff800008eb2d6c: f9400000 ldr x0, [x0]
ffff800008eb2d70: d5033f9f dsb sy
ffff800008eb2d74: 913ec000 add x0, x0, #0xfb0
ffff800008eb2d78: b900001f str wzr, [x0]
ffff800008eb2d7c: d50323bf autiasp
ffff800008eb2d80: d65f03c0 ret
main 6728/6728 [0004] 0.000000000 etm4_cs_lock.isra.0.part.0+0x20
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Co-authored-by: Al Grant <al.grant@arm.com>
Co-authored-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Co-authored-by: Tor Jeremiassen <tor@ti.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Eelco Chaudron <echaudro@redhat.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Tanmay Jagdale <tanmay@marvell.com>
Cc: coresight@lists.linaro.org
Cc: zengshun . wu <zengshun.wu@outlook.com>
Link: https://lore.kernel.org/r/20220521130446.4163597-3-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
marcan
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Oct 24, 2022
UBSAN complains about array-index-out-of-bounds: [ 1.980703] kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41 [ 1.980709] kernel: index 15 is out of range for type 'ahci_em_priv [8]' [ 1.980713] kernel: CPU: 0 PID: 209 Comm: scsi_eh_8 Not tainted 5.15.0-25-generic #25-Ubuntu [ 1.980716] kernel: Hardware name: System manufacturer System Product Name/P5Q3, BIOS 1102 06/11/2010 [ 1.980718] kernel: Call Trace: [ 1.980721] kernel: <TASK> [ 1.980723] kernel: show_stack+0x52/0x58 [ 1.980729] kernel: dump_stack_lvl+0x4a/0x5f [ 1.980734] kernel: dump_stack+0x10/0x12 [ 1.980736] kernel: ubsan_epilogue+0x9/0x45 [ 1.980739] kernel: __ubsan_handle_out_of_bounds.cold+0x44/0x49 [ 1.980742] kernel: ahci_qc_issue+0x166/0x170 [libahci] [ 1.980748] kernel: ata_qc_issue+0x135/0x240 [ 1.980752] kernel: ata_exec_internal_sg+0x2c4/0x580 [ 1.980754] kernel: ? vprintk_default+0x1d/0x20 [ 1.980759] kernel: ata_exec_internal+0x67/0xa0 [ 1.980762] kernel: sata_pmp_read+0x8d/0xc0 [ 1.980765] kernel: sata_pmp_read_gscr+0x3c/0x90 [ 1.980768] kernel: sata_pmp_attach+0x8b/0x310 [ 1.980771] kernel: ata_eh_revalidate_and_attach+0x28c/0x4b0 [ 1.980775] kernel: ata_eh_recover+0x6b6/0xb30 [ 1.980778] kernel: ? ahci_do_hardreset+0x180/0x180 [libahci] [ 1.980783] kernel: ? ahci_stop_engine+0xb0/0xb0 [libahci] [ 1.980787] kernel: ? ahci_do_softreset+0x290/0x290 [libahci] [ 1.980792] kernel: ? trace_event_raw_event_ata_eh_link_autopsy_qc+0xe0/0xe0 [ 1.980795] kernel: sata_pmp_eh_recover.isra.0+0x214/0x560 [ 1.980799] kernel: sata_pmp_error_handler+0x23/0x40 [ 1.980802] kernel: ahci_error_handler+0x43/0x80 [libahci] [ 1.980806] kernel: ata_scsi_port_error_handler+0x2b1/0x600 [ 1.980810] kernel: ata_scsi_error+0x9c/0xd0 [ 1.980813] kernel: scsi_error_handler+0xa1/0x180 [ 1.980817] kernel: ? scsi_unjam_host+0x1c0/0x1c0 [ 1.980820] kernel: kthread+0x12a/0x150 [ 1.980823] kernel: ? set_kthread_struct+0x50/0x50 [ 1.980826] kernel: ret_from_fork+0x22/0x30 [ 1.980831] kernel: </TASK> This happens because sata_pmp_init_links() initialize link->pmp up to SATA_PMP_MAX_PORTS while em_priv is declared as 8 elements array. I can't find the maximum Enclosure Management ports specified in AHCI spec v1.3.1, but "12.2.1 LED message type" states that "Port Multiplier Information" can utilize 4 bits, which implies it can support up to 16 ports. Hence, use SATA_PMP_MAX_PORTS as EM_MAX_SLOTS to resolve the issue. BugLink: https://bugs.launchpad.net/bugs/1970074 Cc: stable@vger.kernel.org Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
marcan
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Nov 1, 2022
…der memory pressure When destroying a queue, when calling sock_release, the network stack might need to allocate an skb to send a FIN/RST. When that happens during memory pressure, there is a need to reclaim memory, which in turn may ask the nvme-tcp device to write out dirty pages, however this is not possible due to a ctrl teardown that is going on. Set PF_MEMALLOC to the task that releases the socket to grant access to PF_MEMALLOC reserves. In addition, do the same for the nvme-tcp thread as this may also originate from the swap itself and should be more resilient to memory pressure situations. This fixes the following lockdep complaint: -- ====================================================== WARNING: possible circular locking dependency detected 6.0.0-rc2+ #25 Tainted: G W ------------------------------------------------------ kswapd0/92 is trying to acquire lock: ffff888114003240 (sk_lock-AF_INET-NVME){+.+.}-{0:0}, at: tcp_sendpage+0x23/0xa0 but task is already holding lock: ffffffff97e95ca0 (fs_reclaim){+.+.}-{0:0}, at: balance_pgdat+0x987/0x10d0 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (fs_reclaim){+.+.}-{0:0}: fs_reclaim_acquire+0x11e/0x160 kmem_cache_alloc_node+0x44/0x530 __alloc_skb+0x158/0x230 tcp_send_active_reset+0x7e/0x730 tcp_disconnect+0x1272/0x1ae0 __tcp_close+0x707/0xd90 tcp_close+0x26/0x80 inet_release+0xfa/0x220 sock_release+0x85/0x1a0 nvme_tcp_free_queue+0x1fd/0x470 [nvme_tcp] nvme_do_delete_ctrl+0x130/0x13d [nvme_core] nvme_sysfs_delete.cold+0x8/0xd [nvme_core] kernfs_fop_write_iter+0x356/0x530 vfs_write+0x4e8/0xce0 ksys_write+0xfd/0x1d0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #0 (sk_lock-AF_INET-NVME){+.+.}-{0:0}: __lock_acquire+0x2a0c/0x5690 lock_acquire+0x18e/0x4f0 lock_sock_nested+0x37/0xc0 tcp_sendpage+0x23/0xa0 inet_sendpage+0xad/0x120 kernel_sendpage+0x156/0x440 nvme_tcp_try_send+0x48a/0x2630 [nvme_tcp] nvme_tcp_queue_rq+0xefb/0x17e0 [nvme_tcp] __blk_mq_try_issue_directly+0x452/0x660 blk_mq_plug_issue_direct.constprop.0+0x207/0x700 blk_mq_flush_plug_list+0x6f5/0xc70 __blk_flush_plug+0x264/0x410 blk_finish_plug+0x4b/0xa0 shrink_lruvec+0x1263/0x1ea0 shrink_node+0x736/0x1a80 balance_pgdat+0x740/0x10d0 kswapd+0x5f2/0xaf0 kthread+0x256/0x2f0 ret_from_fork+0x1f/0x30 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(fs_reclaim); lock(sk_lock-AF_INET-NVME); lock(fs_reclaim); lock(sk_lock-AF_INET-NVME); *** DEADLOCK *** 3 locks held by kswapd0/92: #0: ffffffff97e95ca0 (fs_reclaim){+.+.}-{0:0}, at: balance_pgdat+0x987/0x10d0 #1: ffff88811f21b0b0 (q->srcu){....}-{0:0}, at: blk_mq_flush_plug_list+0x6b3/0xc70 #2: ffff888170b11470 (&queue->send_mutex){+.+.}-{3:3}, at: nvme_tcp_queue_rq+0xeb9/0x17e0 [nvme_tcp] Fixes: 3f2304f ("nvme-tcp: add NVMe over TCP host driver") Reported-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Tested-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
marcan
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Nov 1, 2022
`hostname` needs to be set as null-pointer after free in
`cifs_put_tcp_session` function, or when `cifsd` thread attempts
to resolve hostname and reconnect the host, the thread would deref
the invalid pointer.
Here is one of practical backtrace examples as reference:
Task 477
---------------------------
do_mount
path_mount
do_new_mount
vfs_get_tree
smb3_get_tree
smb3_get_tree_common
cifs_smb3_do_mount
cifs_mount
mount_put_conns
cifs_put_tcp_session
--> kfree(server->hostname)
cifsd
---------------------------
kthread
cifs_demultiplex_thread
cifs_reconnect
reconn_set_ipaddr_from_hostname
--> if (!server->hostname)
--> if (server->hostname[0] == '\0') // !! UAF fault here
CIFS: VFS: cifs_mount failed w/return code = -112
mount error(112): Host is down
BUG: KASAN: use-after-free in reconn_set_ipaddr_from_hostname+0x2ba/0x310
Read of size 1 at addr ffff888108f35380 by task cifsd/480
CPU: 2 PID: 480 Comm: cifsd Not tainted 6.1.0-rc2-00106-gf705792f89dd-dirty #25
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x68/0x85
print_report+0x16c/0x4a3
kasan_report+0x95/0x190
reconn_set_ipaddr_from_hostname+0x2ba/0x310
__cifs_reconnect.part.0+0x241/0x800
cifs_reconnect+0x65f/0xb60
cifs_demultiplex_thread+0x1570/0x2570
kthread+0x2c5/0x380
ret_from_fork+0x22/0x30
</TASK>
Allocated by task 477:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_kmalloc+0x7e/0x90
__kmalloc_node_track_caller+0x52/0x1b0
kstrdup+0x3b/0x70
cifs_get_tcp_session+0xbc/0x19b0
mount_get_conns+0xa9/0x10c0
cifs_mount+0xdf/0x1970
cifs_smb3_do_mount+0x295/0x1660
smb3_get_tree+0x352/0x5e0
vfs_get_tree+0x8e/0x2e0
path_mount+0xf8c/0x1990
do_mount+0xee/0x110
__x64_sys_mount+0x14b/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 477:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x50
__kasan_slab_free+0x10a/0x190
__kmem_cache_free+0xca/0x3f0
cifs_put_tcp_session+0x30c/0x450
cifs_mount+0xf95/0x1970
cifs_smb3_do_mount+0x295/0x1660
smb3_get_tree+0x352/0x5e0
vfs_get_tree+0x8e/0x2e0
path_mount+0xf8c/0x1990
do_mount+0xee/0x110
__x64_sys_mount+0x14b/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The buggy address belongs to the object at ffff888108f35380
which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
16-byte region [ffff888108f35380, ffff888108f35390)
The buggy address belongs to the physical page:
page:00000000333f8e58 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888108f350e0 pfn:0x108f35
flags: 0x200000000000200(slab|node=0|zone=2)
raw: 0200000000000200 0000000000000000 dead000000000122 ffff8881000423c0
raw: ffff888108f350e0 000000008080007a 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888108f35280: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
ffff888108f35300: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
>ffff888108f35380: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
^
ffff888108f35400: fa fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888108f35480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Fixes: 7be3248 ("cifs: To match file servers, make sure the server hostname matches")
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
marcan
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Jul 14, 2023
Sebastian reports that commit 1c913a1 ("KVM: arm64: Iterate arm_pmus list to probe for default PMU") introduced the following splat with CONFIG_DEBUG_PREEMPT enabled: [70506.110187] BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-aar/3078242 [70506.119077] caller is debug_smp_processor_id+0x20/0x30 [70506.124229] CPU: 129 PID: 3078242 Comm: qemu-system-aar Tainted: G W 6.4.0-rc5 #25 [70506.133176] Hardware name: GIGABYTE R181-T92-00/MT91-FS4-00, BIOS F34 08/13/2020 [70506.140559] Call trace: [70506.142993] dump_backtrace+0xa4/0x130 [70506.146737] show_stack+0x20/0x38 [70506.150040] dump_stack_lvl+0x48/0x60 [70506.153704] dump_stack+0x18/0x28 [70506.157007] check_preemption_disabled+0xe4/0x108 [70506.161701] debug_smp_processor_id+0x20/0x30 [70506.166046] kvm_arm_pmu_v3_set_attr+0x460/0x628 [70506.170662] kvm_arm_vcpu_arch_set_attr+0x88/0xd8 [70506.175363] kvm_arch_vcpu_ioctl+0x258/0x4a8 [70506.179632] kvm_vcpu_ioctl+0x32c/0x6b8 [70506.183465] __arm64_sys_ioctl+0xb4/0x100 [70506.187467] invoke_syscall+0x78/0x108 [70506.191205] el0_svc_common.constprop.0+0x4c/0x100 [70506.195984] do_el0_svc+0x34/0x50 [70506.199287] el0_svc+0x34/0x108 [70506.202416] el0t_64_sync_handler+0xf4/0x120 [70506.206674] el0t_64_sync+0x194/0x198 Fix the issue by using the raw variant that bypasses the debug assertion. While at it, stick all of the nuance and UAPI baggage into a comment for posterity. Fixes: 1c913a1 ("KVM: arm64: Iterate arm_pmus list to probe for default PMU") Reported-by: Sebastian Ott <sebott@redhat.com> Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20230606184814.456743-1-oliver.upton@linux.dev
jannau
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May 22, 2024
[ Upstream commit fc1092f ] KMSAN reported uninit-value access in __ip_make_skb() [1]. __ip_make_skb() tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a race condition. If calling setsockopt(2) with IP_HDRINCL changes HDRINCL while __ip_make_skb() is running, the function will access icmphdr in the skb even if it is not included. This causes the issue reported by KMSAN. Check FLOWI_FLAG_KNOWN_NH on fl4->flowi4_flags instead of testing HDRINCL on the socket. Also, fl4->fl4_icmp_type and fl4->fl4_icmp_code are not initialized. These are union in struct flowi4 and are implicitly initialized by flowi4_init_output(), but we should not rely on specific union layout. Initialize these explicitly in raw_sendmsg(). [1] BUG: KMSAN: uninit-value in __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481 __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481 ip_finish_skb include/net/ip.h:243 [inline] ip_push_pending_frames+0x4c/0x5c0 net/ipv4/ip_output.c:1508 raw_sendmsg+0x2381/0x2690 net/ipv4/raw.c:654 inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x274/0x3c0 net/socket.c:745 __sys_sendto+0x62c/0x7b0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x130/0x200 net/socket.c:2199 do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit was created at: slab_post_alloc_hook mm/slub.c:3804 [inline] slab_alloc_node mm/slub.c:3845 [inline] kmem_cache_alloc_node+0x5f6/0xc50 mm/slub.c:3888 kmalloc_reserve+0x13c/0x4a0 net/core/skbuff.c:577 __alloc_skb+0x35a/0x7c0 net/core/skbuff.c:668 alloc_skb include/linux/skbuff.h:1318 [inline] __ip_append_data+0x49ab/0x68c0 net/ipv4/ip_output.c:1128 ip_append_data+0x1e7/0x260 net/ipv4/ip_output.c:1365 raw_sendmsg+0x22b1/0x2690 net/ipv4/raw.c:648 inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x274/0x3c0 net/socket.c:745 __sys_sendto+0x62c/0x7b0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x130/0x200 net/socket.c:2199 do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 CPU: 1 PID: 15709 Comm: syz-executor.7 Not tainted 6.8.0-11567-gb3603fcb79b1 #25 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014 Fixes: 99e5aca ("ipv4: Fix potential uninit variable access bug in __ip_make_skb()") Reported-by: syzkaller <syzkaller@googlegroups.com> Signed-off-by: Shigeru Yoshida <syoshida@redhat.com> Link: https://lore.kernel.org/r/20240430123945.2057348-1-syoshida@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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xiaotaiyang@bogon ~ % curl https://alx.sh | sh
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1049 100 1049 0 0 969 0 0:00:01 0:00:01 --:--:-- 974
Bootstrapping installer:
Checking version...
Version: v0.3.26
Downloading...
xiaotaiyang@bogon ~ %
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