Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.022064] ------------[ cut here ]------------ [ 39.023084] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.025232] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.026819] Modules linked in: [ 39.027507] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.029657] Tainted: [W]=WARN [ 39.030268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.031860] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.032844] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.036267] RSP: 0018:ffff888018f2fbc0 EFLAGS: 00010286 [ 39.037317] RAX: 0000000000000000 RBX: ffffed10031e5f78 RCX: ffffffff813a4050 [ 39.038717] RDX: ffff888019d8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.040100] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031e5f2f [ 39.041481] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.042879] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018f2fdf8 [ 39.044267] FS: 00007f3453b8f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.045814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.046972] CR2: 00007f34540f54a6 CR3: 0000000013c25000 CR4: 0000000000350ef0 [ 39.048349] Call Trace: [ 39.048884] [ 39.049328] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.050293] ? __create_object+0x59/0x80 [ 39.051126] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.052160] __vmalloc_noprof+0x59/0x60 [ 39.052965] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054914] bpf_prog_alloc+0x39/0x200 [ 39.055696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.056694] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.057651] do_seccomp+0x349/0x25e0 [ 39.058424] ? find_held_lock+0x2b/0x80 [ 39.059189] ? do_prlimit+0x310/0x610 [ 39.059971] ? __pfx_do_seccomp+0x10/0x10 [ 39.060809] ? do_raw_spin_unlock+0x53/0x220 [ 39.061680] ? _raw_spin_unlock+0x1e/0x40 [ 39.062514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.063533] ? static_key_count+0x60/0x80 [ 39.064336] prctl_set_seccomp+0x4e/0x70 [ 39.065155] __do_sys_prctl+0xe6c/0x1d70 [ 39.065981] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.066901] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.067920] ? irqentry_exit+0xf3/0x650 [ 39.068730] do_syscall_64+0xbf/0x430 [ 39.069512] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.070544] RIP: 0033:0x7f34540815cd [ 39.071246] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.074613] RSP: 002b:00007ffeec0edfc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.076051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f34540815cd [ 39.077413] RDX: 000055c723f9ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078770] RBP: 00007ffeec0ee020 R08: 0000000000000000 R09: 00007ffeec0ed6c0 [ 39.080118] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c74133db10 [ 39.081450] R13: 00007ffeec0ee450 R14: 000055c74133e2b0 R15: 000055c7413526f0 [ 39.082818] [ 39.083258] irq event stamp: 1693 [ 39.083940] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 39.085523] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 39.087109] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 39.088726] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 39.090306] ---[ end trace 0000000000000000 ]--- [ 42.161854] ------------[ cut here ]------------ [ 42.162883] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.165015] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.166665] Modules linked in: [ 42.167300] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.169440] Tainted: [W]=WARN [ 42.170043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.171647] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.172634] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.176132] RSP: 0018:ffff8880164c7bc0 EFLAGS: 00010286 [ 42.177209] RAX: 0000000000000000 RBX: ffffed1002c98f78 RCX: ffffffff813a4050 [ 42.178643] RDX: ffff888017035340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.180059] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c98f2f [ 42.181474] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.182897] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164c7df8 [ 42.184325] FS: 00007fd61ee22900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.185932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.187128] CR2: 00007fd61f314580 CR3: 000000000db6d000 CR4: 0000000000350ef0 [ 42.188575] Call Trace: [ 42.189092] [ 42.189601] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.190616] ? __create_object+0x59/0x80 [ 42.191486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.192577] __vmalloc_noprof+0x59/0x60 [ 42.193419] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.194422] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.195473] bpf_prog_alloc+0x39/0x200 [ 42.196261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.197306] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.198342] do_seccomp+0x349/0x25e0 [ 42.199145] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.200157] ? __pfx_do_seccomp+0x10/0x10 [ 42.201058] ? find_held_lock+0x2b/0x80 [ 42.201916] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.203021] ? static_key_count+0x60/0x80 [ 42.203916] prctl_set_seccomp+0x4e/0x70 [ 42.204792] __do_sys_prctl+0xe6c/0x1d70 [ 42.205682] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.206701] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.207818] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.208922] ? irqentry_exit+0xf3/0x650 [ 42.209799] do_syscall_64+0xbf/0x430 [ 42.210661] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.211745] RIP: 0033:0x7fd61f3145cd [ 42.212544] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.216186] RSP: 002b:00007fff0ef54ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.217749] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd61f3145cd [ 42.219084] RDX: 000055b700b3de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.220395] RBP: 00007fff0ef54f30 R08: 0000000000000000 R09: 00007fff0ef545d0 [ 42.221663] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b701cbbad0 [ 42.222944] R13: 00007fff0ef55360 R14: 000055b701cbcbc0 R15: 000055b701ccd780 [ 42.224131] [ 42.224508] irq event stamp: 1771 [ 42.225006] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.226254] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.227522] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 42.228788] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 42.230028] ---[ end trace 0000000000000000 ]--- [ 43.015526] ------------[ cut here ]------------ [ 43.016446] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.018440] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.019875] Modules linked in: [ 43.020490] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.022448] Tainted: [W]=WARN [ 43.022996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.024432] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.025279] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.028810] RSP: 0018:ffff888017a67bc0 EFLAGS: 00010286 [ 43.030052] RAX: 0000000000000000 RBX: ffffed1002f4cf78 RCX: ffffffff813a4050 [ 43.031481] RDX: ffff88800a4ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.032757] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f4cf2f [ 43.033999] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.035257] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a67df8 [ 43.036536] FS: 00007f6ca5571900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.037934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.038975] CR2: 00007f6ca5a63580 CR3: 0000000017e5a000 CR4: 0000000000350ef0 [ 43.040255] Call Trace: [ 43.040747] [ 43.041154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.042017] ? __create_object+0x59/0x80 [ 43.042801] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.043746] __vmalloc_noprof+0x59/0x60 [ 43.044494] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.045307] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.046217] bpf_prog_alloc+0x39/0x200 [ 43.046937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.047859] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.048749] do_seccomp+0x349/0x25e0 [ 43.049443] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.050271] ? __pfx_do_seccomp+0x10/0x10 [ 43.051047] ? find_held_lock+0x2b/0x80 [ 43.051798] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.052741] ? static_key_count+0x60/0x80 [ 43.053508] prctl_set_seccomp+0x4e/0x70 [ 43.054223] __do_sys_prctl+0xe6c/0x1d70 [ 43.054999] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.055848] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.056785] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.057722] ? irqentry_exit+0xf3/0x650 [ 43.058478] do_syscall_64+0xbf/0x430 [ 43.059161] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.060099] RIP: 0033:0x7f6ca5a635cd [ 43.060788] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.063914] RSP: 002b:00007ffdf209e920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.065247] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ca5a635cd [ 43.066527] RDX: 000055c99b3ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.067804] RBP: 00007ffdf209e980 R08: 0000000000000000 R09: 00007ffdf209e020 [ 43.069057] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9bdd92ad0 [ 43.070321] R13: 00007ffdf209edb0 R14: 000055c9bdd93bc0 R15: 000055c9bdda4780 [ 43.071590] [ 43.072022] irq event stamp: 3325 [ 43.072667] hardirqs last enabled at (3335): [] __up_console_sem+0x78/0x80 [ 43.074146] hardirqs last disabled at (3344): [] __up_console_sem+0x5d/0x80 [ 43.075632] softirqs last enabled at (3094): [] handle_softirqs+0x50c/0x770 [ 43.077152] softirqs last disabled at (3089): [] __irq_exit_rcu+0xc4/0x100 [ 43.078646] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16042' (ECDSA) to the list of known hosts. 2025/11/18 23:27:11 fuzzer started 2025/11/18 23:27:12 dialing manager at localhost:34383 2025/11/18 23:27:12 checking machine... 2025/11/18 23:27:12 checking revisions... [ 43.948592] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:27:12 testing simple program... [ 44.036108] cgroup: Unknown subsys name 'net' [ 44.096968] cgroup: Unknown subsys name 'cpuset' [ 44.118031] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:27:11 Registers: info registers vcpu 0 RAX=ffffffff88596101 RBX=ffff888017030000 RCX=0000000000000002 RDX=0000000000000001 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888018f2f640 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526f5b RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd61ee22900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff0ef4f000 CR3=000000001fead000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026249 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe4a63dd68 CR3=000000000df1e000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=5b53f59dfc1bf49d0e4ca63dacf66d37 XMM02=2c67c8bc2e329bc300000000003047c0 XMM03=fb795ef6d65770560000000000310de0 XMM04=7347e02e1f3ea83e00000000000ae988 XMM05=8d4991f3184fc5a50000000000321d80 XMM06=817b8945e9d503730000000000320dd0 XMM07=e042d86d42eb936e00000000003117c8 XMM08=329ba0ddb04562ac0000000000304820 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000