Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.404782] ------------[ cut here ]------------ [ 46.405566] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.407314] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 46.408577] Modules linked in: [ 46.409134] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.410828] Tainted: [W]=WARN [ 46.411340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.412607] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.413393] 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 [ 46.416109] RSP: 0018:ffff8880178e7bc0 EFLAGS: 00010286 [ 46.416960] RAX: 0000000000000000 RBX: ffffed1002f1cf78 RCX: ffffffff813a4050 [ 46.418070] RDX: ffff888018e70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.419172] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1cf2f [ 46.420277] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.421380] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178e7df8 [ 46.422484] FS: 00007fc2c0479900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.423715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.424627] CR2: 00007fff19096ef8 CR3: 0000000017ceb000 CR4: 0000000000350ef0 [ 46.425735] Call Trace: [ 46.426160] [ 46.426512] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.427281] ? __create_object+0x59/0x80 [ 46.427949] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.428768] __vmalloc_noprof+0x59/0x60 [ 46.429414] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.430156] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.430943] bpf_prog_alloc+0x39/0x200 [ 46.431539] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.432329] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.433122] do_seccomp+0x349/0x25e0 [ 46.433701] ? find_held_lock+0x2b/0x80 [ 46.434346] ? do_prlimit+0x310/0x610 [ 46.434972] ? __pfx_do_seccomp+0x10/0x10 [ 46.435611] ? do_raw_spin_unlock+0x53/0x220 [ 46.436319] ? _raw_spin_unlock+0x1e/0x40 [ 46.436995] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.437784] ? static_key_count+0x60/0x80 [ 46.438465] prctl_set_seccomp+0x4e/0x70 [ 46.439124] __do_sys_prctl+0xe6c/0x1d70 [ 46.439758] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.440484] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.441314] ? irqentry_exit+0xf3/0x650 [ 46.441968] do_syscall_64+0xbf/0x430 [ 46.442566] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.443373] RIP: 0033:0x7fc2c096b5cd [ 46.443972] 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 [ 46.446703] RSP: 002b:00007fff19095280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.447875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2c096b5cd [ 46.449017] RDX: 000055eb55245e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.450119] RBP: 00007fff190952e0 R08: 0000000000000000 R09: 00007fff19094980 [ 46.451224] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb66ffcad0 [ 46.452329] R13: 00007fff19095710 R14: 000055eb66ffdbc0 R15: 000055eb6700e780 [ 46.453453] [ 46.453824] irq event stamp: 1727 [ 46.454385] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 46.455689] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 46.457010] softirqs last enabled at (1278): [] handle_softirqs+0x50c/0x770 [ 46.458332] softirqs last disabled at (1273): [] __irq_exit_rcu+0xc4/0x100 [ 46.459631] ---[ end trace 0000000000000000 ]--- [ 49.482864] ------------[ cut here ]------------ [ 49.483808] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.485851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.487357] Modules linked in: [ 49.487984] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.489959] Tainted: [W]=WARN [ 49.490505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.491972] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.492851] 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 [ 49.496058] RSP: 0018:ffff888018defbc0 EFLAGS: 00010286 [ 49.497044] RAX: 0000000000000000 RBX: ffffed10031bdf78 RCX: ffffffff813a4050 [ 49.498324] RDX: ffff888018e75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.499598] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031bdf2f [ 49.500903] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.502197] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018defdf8 [ 49.503467] FS: 00007f19b6e69900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.504901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.505960] CR2: 00007f19b73cf4a6 CR3: 000000000bd98000 CR4: 0000000000350ef0 [ 49.507236] Call Trace: [ 49.507693] [ 49.508144] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.509044] ? __create_object+0x59/0x80 [ 49.509784] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.510731] __vmalloc_noprof+0x59/0x60 [ 49.511480] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.512333] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.513261] bpf_prog_alloc+0x39/0x200 [ 49.513985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.514861] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.515760] do_seccomp+0x349/0x25e0 [ 49.516470] ? find_held_lock+0x2b/0x80 [ 49.517229] ? do_prlimit+0x310/0x610 [ 49.517956] ? __pfx_do_seccomp+0x10/0x10 [ 49.518706] ? do_raw_spin_unlock+0x53/0x220 [ 49.519521] ? _raw_spin_unlock+0x1e/0x40 [ 49.520298] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.521281] ? static_key_count+0x60/0x80 [ 49.522078] prctl_set_seccomp+0x4e/0x70 [ 49.522802] __do_sys_prctl+0xe6c/0x1d70 [ 49.523578] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.524422] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.525402] ? irqentry_exit+0xf3/0x650 [ 49.526165] do_syscall_64+0xbf/0x430 [ 49.526857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.527809] RIP: 0033:0x7f19b735b5cd [ 49.528507] 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 [ 49.531665] RSP: 002b:00007fffad87af90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.533026] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19b735b5cd [ 49.534312] RDX: 000055cf44d1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.535579] RBP: 00007fffad87aff0 R08: 0000000000000000 R09: 00007fffad87a690 [ 49.536860] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf79d50240 [ 49.538163] R13: 00007fffad87b420 R14: 000055cf79d4fbf0 R15: 000055cf79d644d0 [ 49.539453] [ 49.539908] irq event stamp: 1803 [ 49.540524] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 49.542053] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 49.543562] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 49.545083] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 49.546590] ---[ end trace 0000000000000000 ]--- [ 50.337115] ------------[ cut here ]------------ [ 50.338017] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.340066] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/254 [ 50.341508] Modules linked in: [ 50.343482] CPU: 1 UID: 104 PID: 254 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.345972] Tainted: [W]=WARN [ 50.346524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.347986] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.348861] 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 [ 50.352046] RSP: 0018:ffff88800f3cfbc0 EFLAGS: 00010286 [ 50.353029] RAX: 0000000000000000 RBX: ffffed1001e79f78 RCX: ffffffff813a4050 [ 50.354296] RDX: ffff8880186c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.355559] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e79f2f [ 50.356849] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.358122] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3cfdf8 [ 50.359400] FS: 00007fd77933c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.360833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.361907] CR2: 00007fd7798a24a6 CR3: 000000000cd5d000 CR4: 0000000000350ef0 [ 50.363172] Call Trace: [ 50.363634] [ 50.364077] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.364975] ? __create_object+0x59/0x80 [ 50.365700] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.366655] __vmalloc_noprof+0x59/0x60 [ 50.367406] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.368269] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.369206] bpf_prog_alloc+0x39/0x200 [ 50.369935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.370813] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.371695] do_seccomp+0x349/0x25e0 [ 50.372392] ? find_held_lock+0x2b/0x80 [ 50.373157] ? do_prlimit+0x310/0x610 [ 50.373848] ? __pfx_do_seccomp+0x10/0x10 [ 50.374635] ? do_raw_spin_unlock+0x53/0x220 [ 50.375461] ? _raw_spin_unlock+0x1e/0x40 [ 50.376232] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.377214] ? static_key_count+0x60/0x80 [ 50.378019] prctl_set_seccomp+0x4e/0x70 [ 50.378757] __do_sys_prctl+0xe6c/0x1d70 [ 50.379537] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.380393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.381378] ? irqentry_exit+0xf3/0x650 [ 50.382147] do_syscall_64+0xbf/0x430 [ 50.382849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.383797] RIP: 0033:0x7fd77982e5cd [ 50.384498] 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 [ 50.387674] RSP: 002b:00007fffa9068160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.389036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd77982e5cd [ 50.390308] RDX: 000055acb675fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.391599] RBP: 00007fffa90681c0 R08: 0000000000000000 R09: 00007fffa9067860 [ 50.392872] R10: 0000000000000000 R11: 0000000000000246 R12: 000055acc1812ad0 [ 50.394173] R13: 00007fffa90685f0 R14: 000055acc1813bc0 R15: 000055acc1824780 [ 50.395453] [ 50.395875] irq event stamp: 2149 [ 50.396507] hardirqs last enabled at (2159): [] __up_console_sem+0x78/0x80 [ 50.398036] hardirqs last disabled at (2168): [] __up_console_sem+0x5d/0x80 [ 50.399543] softirqs last enabled at (1984): [] handle_softirqs+0x50c/0x770 [ 50.401080] softirqs last disabled at (1979): [] __irq_exit_rcu+0xc4/0x100 [ 50.402576] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29902' (ECDSA) to the list of known hosts. 2025/11/18 09:21:19 fuzzer started 2025/11/18 09:21:19 dialing manager at localhost:34383 2025/11/18 09:21:19 checking machine... 2025/11/18 09:21:19 checking revisions... [ 51.241269] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:21:19 testing simple program... [ 51.335697] cgroup: Unknown subsys name 'net' [ 51.393155] cgroup: Unknown subsys name 'cpuset' [ 51.406716] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:21:18 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86abea60 RDX=1ffff11002d80f01 RSI=1ffff11002d80eff RDI=ffff888016c07808 RBP=ffff888016c077f8 RSP=ffff888016c07730 R8 =ffffffff86abea64 R9 =ffff888016c077e0 R10=000000000003c9ed R11=00000000000266cc R12=ffff888016c07800 R13=ffff888016c077e8 R14=ffff888016c07968 R15=ffff888016c077a0 RIP=ffffffff8135f061 RFL=00000246 [---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 00007f9a4b357900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9a4aa71450 CR3=000000000d8cd000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d3723d2bd62f8cae00000000000ae988 XMM05=22a4775301e1b3ac0000000000323a50 XMM06=7d033b4ceca409580000000000322568 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2d575 RBX=ffffffff86726320 RCX=ffffffff81b2d5f8 RDX=0000000000000000 RSI=ffffffff86ab8db4 RDI=ffffffff86726314 RBP=ffffffff86726314 RSP=ffff888018c9f350 R8 =ffffffff86ab8db4 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002575e R12=ffffffff8672632c R13=ffffffff86726314 R14=ffffffff86726314 R15=dffffc0000000000 RIP=ffffffff8135dac9 RFL=00000202 [-------] 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 00007f19b6e69900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f19b6e48020 CR3=000000000e14d000 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=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