Extracting prog: 5m53.130789511s Minimizing prog: 36m17.309148108s Simplifying prog options: 0s Extracting C: 1m22.204230049s Simplifying C: 7m1.365122533s extracting reproducer from 30 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k-syz_usb_disconnect-syz_usb_connect-syz_usb_disconnect-syz_usb_connect_ath9k-syz_usb_connect$hid-syz_usb_connect_ath9k-syz_usb_disconnect-syz_usb_connect-syz_usb_disconnect-syz_usb_connect_ath9k-syz_usb_connect$hid detailed listing: executing program 0: r0 = syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f00000001c0)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f00000001c0)=ANY=[@ANYBLOB="12010000ad183840f30c0210"], 0x0) syz_usb_disconnect(r1) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_usb_connect$hid(0x3, 0x36, &(0x7f0000000680)=ANY=[], 0x0) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f00000001c0)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x36, &(0x7f00000001c0)=ANY=[@ANYBLOB="12010000ad183840f30c0210"], 0x0) (async) syz_usb_disconnect(r1) (async) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect$hid(0x3, 0x36, &(0x7f0000000680)=ANY=[], 0x0) (async) program did not crash single: failed to extract reproducer bisect: bisecting 30 programs with base timeout 30s testing program (duration=37s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [30, 3, 28, 23, 4, 5, 7, 30, 15, 11, 11, 10, 29, 5, 30, 18, 30, 3, 15, 30, 24, 13, 13, 9, 19, 12, 16, 30, 2, 13] detailed listing: executing program 4: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000500)=ANY=[@ANYBLOB="12010000f1d566201e043c40d7cc000000010902120001000000000904"], 0x0) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000400)={0x2c, &(0x7f00000003c0)={0xe9cb00ebf249c67c, 0xd}, 0x0, 0x0, 0x0, 0x0}) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000600)=ANY=[@ANYBLOB="12010000a3b370086d04ae08581101020301090212000d000000000904"], 0x0) syz_usb_control_io$cdc_ncm(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000540)=ANY=[@ANYBLOB="12010000795d6c08450c00616dc401020301090212000100000000090400"], 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$hid(r2, 0x0, &(0x7f0000000400)={0x2c, &(0x7f0000000500)=ANY=[@ANYRES8=r2], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(r2, 0x0, &(0x7f0000000800)={0x84, &(0x7f0000000280)={0x0, 0x0, 0x1, "12"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r1, &(0x7f0000001d80)={0x2c, &(0x7f0000001c00)=ANY=[@ANYBLOB="40015c0000005c242037c0e47edf9075f4d95647921f530f96b1c289cadfceb6bde5c441f5356dae2618f2f03f723ff8eab620d1eeb14aefac4407aec60548fbc146199076703a2b919bd812ef99a85829990d30e3aad29afbe7a2beb8fe2a5940a6"], &(0x7f0000001c80)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44b}}, &(0x7f0000001cc0)={0x0, 0xf, 0x37, {0x5, 0xf, 0x37, 0x4, [@ss_container_id={0x14, 0x10, 0x4, 0x6f, "7891634261be0c05f57c1e76726a7a41"}, @ss_cap={0xa, 0x10, 0x3, 0x2, 0x4, 0x8, 0x3}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x4, 0xd, 0x10, 0x4}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x2, 0xaf, 0x2, 0x4}]}}, &(0x7f0000001d00)={0x20, 0x29, 0xf, {0xf, 0x29, 0x4, 0x2, 0xa, 0x1c, "f8495dd1", "fb1e1958"}}, &(0x7f0000001d40)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x7, 0x8, 0x3, 0x3, 0xfc, 0xffff, 0x5a4}}}, &(0x7f0000002280)={0x84, &(0x7f0000001dc0)={0x40, 0xc, 0xfa, "b7278a7cf6772d2182ff654643f662cee39816317e94501357730e5c2e6698f068994b773b1c9b081055e2c775b535400f7ea395f3f28476ccbdf3c7b931f7f388086ee4f161a86fe40ffdf4a1ecbdebb663029adb492108774c6ed04d1a49657fb6dca57df22ac5254c01395dc75d7124fad20e3af97a00eceaaa1a02348dd6f61c907b8a1b60ca1bd7de864d489d08ff10d7059855f173c777b4b7873bd3b61bf42a0821e8ae4a189b72197dc5e78885fafe3a7d8e337aea0f084042edeabd29866b07f9c494b2aa56b3a042bf1f942122000accef10216f8d6354e4635aac190266db420a3811b6ff3a26916681a694d9576f57d8dc6b0741"}, &(0x7f0000001ec0)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000001f00)={0x0, 0x8, 0x1}, &(0x7f0000001f40)={0x20, 0x0, 0x4}, &(0x7f0000000140)=ANY=[@ANYBLOB="712afdff65485d70f4bd762f00"], &(0x7f0000001fc0)={0x40, 0x7, 0x2, 0x16}, &(0x7f0000002000)={0x40, 0x9, 0x1, 0x6}, &(0x7f0000002040)={0x40, 0xb, 0x2, ' b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc900001a8a60 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8148954e RDX: 0000000000000038 RSI: ffffffff81489090 RDI: 0000000000000005 RBP: ffff88811aa43bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000001 FS: 00007fcf007a7300(0000) GS:ffff8882692c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cdcc51af8 CR3: 000000011a150000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x15f/0x1f0 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] ieee80211_queue_work net/mac80211/util.c:906 [inline] ieee80211_queue_work+0x113/0x180 net/mac80211/util.c:899 carl9170_usb_rx_complete+0x275/0x2b0 drivers/net/wireless/ath/carl9170/usb.c:448 __usb_hcd_giveback_urb+0x38a/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x180e/0x3a20 drivers/usb/gadget/udc/dummy_hcd.c:1994 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x205/0x8d0 kernel/softirq.c:579 do_softirq kernel/softirq.c:480 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:467 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407 lock_sock include/net/sock.h:1651 [inline] tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1365 inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] sock_write_iter+0x4aa/0x5b0 net/socket.c:1131 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ba/0x1180 fs/read_write.c:684 ksys_write+0x205/0x240 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcf0089b407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe1a75c8c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fcf007a7300 RCX: 00007fcf0089b407 RDX: 0000000000000034 RSI: 0000555ccef6f140 RDI: 0000000000000004 RBP: 0000555ccef72c70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffe1a75ca10 R14: 0000000000000000 R15: 0000000000000004 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256 Code: 85 db 0f 84 ae 04 00 00 e8 b0 da 33 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc900001a8a60 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8148954e RDX: 0000000000000038 RSI: ffffffff81489090 RDI: 0000000000000005 RBP: ffff88811aa43bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000001 FS: 00007fcf007a7300(0000) GS:ffff8882692c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cdcc51af8 CR3: 000000011a150000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 85 db test %ebx,%ebx 2: 0f 84 ae 04 00 00 je 0x4b6 8: e8 b0 da 33 00 call 0x33dabd d: 49 8d 86 c0 01 00 00 lea 0x1c0(%r14),%rax 14: 48 89 c2 mov %rax,%rdx 17: 48 89 44 24 10 mov %rax,0x10(%rsp) 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e e8 0c 00 00 jle 0xd22 3a: 41 rex.B 3b: 8b .byte 0x8b 3c: 9e sahf 3d: c0 01 00 rolb $0x0,(%rcx) final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7] CPU: 1 UID: 0 PID: 2953 Comm: sshd-session Not tainted 6.15.0-rc6-syzkaller-00177-g882826f58b2c #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256 Code: 85 db 0f 84 ae 04 00 00 e8 b0 da 33 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc900001a8a60 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8148954e RDX: 0000000000000038 RSI: ffffffff81489090 RDI: 0000000000000005 RBP: ffff88811aa43bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000001 FS: 00007fcf007a7300(0000) GS:ffff8882692c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cdcc51af8 CR3: 000000011a150000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x15f/0x1f0 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] ieee80211_queue_work net/mac80211/util.c:906 [inline] ieee80211_queue_work+0x113/0x180 net/mac80211/util.c:899 carl9170_usb_rx_complete+0x275/0x2b0 drivers/net/wireless/ath/carl9170/usb.c:448 __usb_hcd_giveback_urb+0x38a/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x180e/0x3a20 drivers/usb/gadget/udc/dummy_hcd.c:1994 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x205/0x8d0 kernel/softirq.c:579 do_softirq kernel/softirq.c:480 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:467 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407 lock_sock include/net/sock.h:1651 [inline] tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1365 inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] sock_write_iter+0x4aa/0x5b0 net/socket.c:1131 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ba/0x1180 fs/read_write.c:684 ksys_write+0x205/0x240 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcf0089b407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe1a75c8c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fcf007a7300 RCX: 00007fcf0089b407 RDX: 0000000000000034 RSI: 0000555ccef6f140 RDI: 0000000000000004 RBP: 0000555ccef72c70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffe1a75ca10 R14: 0000000000000000 R15: 0000000000000004 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256 Code: 85 db 0f 84 ae 04 00 00 e8 b0 da 33 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc900001a8a60 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8148954e RDX: 0000000000000038 RSI: ffffffff81489090 RDI: 0000000000000005 RBP: ffff88811aa43bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000001 FS: 00007fcf007a7300(0000) GS:ffff8882692c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cdcc51af8 CR3: 000000011a150000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 85 db test %ebx,%ebx 2: 0f 84 ae 04 00 00 je 0x4b6 8: e8 b0 da 33 00 call 0x33dabd d: 49 8d 86 c0 01 00 00 lea 0x1c0(%r14),%rax 14: 48 89 c2 mov %rax,%rdx 17: 48 89 44 24 10 mov %rax,0x10(%rsp) 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e e8 0c 00 00 jle 0xd22 3a: 41 rex.B 3b: 8b .byte 0x8b 3c: 9e sahf 3d: c0 01 00 rolb $0x0,(%rcx)