* [syzbot] WARNING in __get_free_pages @ 2021-11-14 3:37 syzbot 2021-11-15 8:15 ` Xiongwei Song 0 siblings, 1 reply; 3+ messages in thread From: syzbot @ 2021-11-14 3:37 UTC (permalink / raw) To: akpm, linux-kernel, linux-mm, syzkaller-bugs Hello, syzbot found the following issue on: HEAD commit: debe436e77c7 Merge tag 'ext4_for_linus' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10bca72ab00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d7259f0deb293aa dashboard link: https://syzkaller.appspot.com/bug?extid=23a02c7df2cf2bc93fa2 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+23a02c7df2cf2bc93fa2@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 current_gfp_context include/linux/sched/mm.h:195 [inline] WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5356 Modules linked in: CPU: 3 PID: 16525 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5344 Code: be c9 00 00 00 48 c7 c7 20 4a 97 89 c6 05 62 32 a7 0b 01 e8 74 9a 42 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 1e 76 ff ff e9 RSP: 0018:ffffc90023b87850 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92004770f0b RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000033 RDI: 0000000000010cc1 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81bb4686 R11: 0000000000000001 R12: ffffffff902c1960 R13: 0000000000000033 R14: 0000000000000000 R15: ffff88804cf64a30 FS: 0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f44b4b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002c921000 CR3: 000000004f507000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 __get_free_pages+0x8/0x40 mm/page_alloc.c:5418 raw_cmd_copyin drivers/block/floppy.c:3113 [inline] raw_cmd_ioctl drivers/block/floppy.c:3160 [inline] fd_locked_ioctl+0x12e5/0x2820 drivers/block/floppy.c:3528 fd_ioctl drivers/block/floppy.c:3555 [inline] fd_compat_ioctl+0x891/0x1b60 drivers/block/floppy.c:3869 compat_blkdev_ioctl+0x3b8/0x810 block/ioctl.c:662 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6eba549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f44b45fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000258 RDX: 0000000020000400 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] WARNING in __get_free_pages 2021-11-14 3:37 [syzbot] WARNING in __get_free_pages syzbot @ 2021-11-15 8:15 ` Xiongwei Song 2021-11-15 8:15 ` syzbot 0 siblings, 1 reply; 3+ messages in thread From: Xiongwei Song @ 2021-11-15 8:15 UTC (permalink / raw) To: syzbot; +Cc: akpm, Linux Kernel Mailing List, linux-mm, syzkaller-bugs #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 8ab77458790 commit 0921cbb7e62f2aac73da86fff458814d9b0a846b (HEAD) Author: Xiongwei Song <sxwjean@gmail.com> Date: Mon Nov 15 16:06:19 2021 +0800 floppy: Add max size check for user space request We need to check the max request size that is from user space before allocating pages. If the request size exceeds the limit, return -EINVAL. Signed-off-by: Xiongwei Song <sxwjean@gmail.com> diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index c4267da716fe..52112ed59dd0 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3081,6 +3081,8 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr) } } +#define MAX_LEN (1UL << MAX_ORDER << PAGE_SHIFT) + static int raw_cmd_copyin(int cmd, void __user *param, struct floppy_raw_cmd **rcmd) { @@ -3108,7 +3110,7 @@ static int raw_cmd_copyin(int cmd, void __user *param, ptr->resultcode = 0; if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) { - if (ptr->length <= 0) + if (ptr->length <= 0 || ptr->length >= MAX_LEN) return -EINVAL; ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length); fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length); Regards, Xiongwei On Sun, Nov 14, 2021 at 11:37 AM syzbot <syzbot+23a02c7df2cf2bc93fa2@syzkaller.appspotmail.com> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: debe436e77c7 Merge tag 'ext4_for_linus' of git://git.kerne.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10bca72ab00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9d7259f0deb293aa > dashboard link: https://syzkaller.appspot.com/bug?extid=23a02c7df2cf2bc93fa2 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > userspace arch: i386 > > Unfortunately, I don't have any reproducer for this issue yet. > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+23a02c7df2cf2bc93fa2@syzkaller.appspotmail.com > > ------------[ cut here ]------------ > WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 current_gfp_context include/linux/sched/mm.h:195 [inline] > WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5356 > Modules linked in: > CPU: 3 PID: 16525 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0 > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 > RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5344 > Code: be c9 00 00 00 48 c7 c7 20 4a 97 89 c6 05 62 32 a7 0b 01 e8 74 9a 42 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 1e 76 ff ff e9 > RSP: 0018:ffffc90023b87850 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: 1ffff92004770f0b RCX: dffffc0000000000 > RDX: 0000000000000000 RSI: 0000000000000033 RDI: 0000000000010cc1 > RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 > R10: ffffffff81bb4686 R11: 0000000000000001 R12: ffffffff902c1960 > R13: 0000000000000033 R14: 0000000000000000 R15: ffff88804cf64a30 > FS: 0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f44b4b40 > CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 > CR2: 000000002c921000 CR3: 000000004f507000 CR4: 0000000000150ee0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > <TASK> > alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 > __get_free_pages+0x8/0x40 mm/page_alloc.c:5418 > raw_cmd_copyin drivers/block/floppy.c:3113 [inline] > raw_cmd_ioctl drivers/block/floppy.c:3160 [inline] > fd_locked_ioctl+0x12e5/0x2820 drivers/block/floppy.c:3528 > fd_ioctl drivers/block/floppy.c:3555 [inline] > fd_compat_ioctl+0x891/0x1b60 drivers/block/floppy.c:3869 > compat_blkdev_ioctl+0x3b8/0x810 block/ioctl.c:662 > __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 > do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] > __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 > do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 > entry_SYSENTER_compat_after_hwframe+0x4d/0x5c > RIP: 0023:0xf6eba549 > Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 > RSP: 002b:00000000f44b45fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 > RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000258 > RDX: 0000000020000400 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 > R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > ---------------- > Code disassembly (best guess): > 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi > 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d > a: 10 06 adc %al,(%rsi) > c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi > 10: 10 07 adc %al,(%rdi) > 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi > 16: 10 08 adc %cl,(%rax) > 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi > 1c: 00 00 add %al,(%rax) > 1e: 00 00 add %al,(%rax) > 20: 00 51 52 add %dl,0x52(%rcx) > 23: 55 push %rbp > 24: 89 e5 mov %esp,%ebp > 26: 0f 34 sysenter > 28: cd 80 int $0x80 > * 2a: 5d pop %rbp <-- trapping instruction > 2b: 5a pop %rdx > 2c: 59 pop %rcx > 2d: c3 retq > 2e: 90 nop > 2f: 90 nop > 30: 90 nop > 31: 90 nop > 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi > 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000000ff7d605d0b76901%40google.com. ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] WARNING in __get_free_pages 2021-11-15 8:15 ` Xiongwei Song @ 2021-11-15 8:15 ` syzbot 0 siblings, 0 replies; 3+ messages in thread From: syzbot @ 2021-11-15 8:15 UTC (permalink / raw) To: Xiongwei Song; +Cc: akpm, linux-kernel, linux-mm, sxwjean, syzkaller-bugs > #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git This crash does not have a reproducer. I cannot test it. > 8ab77458790 > > commit 0921cbb7e62f2aac73da86fff458814d9b0a846b (HEAD) > Author: Xiongwei Song <sxwjean@gmail.com> > Date: Mon Nov 15 16:06:19 2021 +0800 > > floppy: Add max size check for user space request > > We need to check the max request size that is from user space before > allocating pages. If the request size exceeds the limit, return -EINVAL. > > Signed-off-by: Xiongwei Song <sxwjean@gmail.com> > > diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c > index c4267da716fe..52112ed59dd0 100644 > --- a/drivers/block/floppy.c > +++ b/drivers/block/floppy.c > @@ -3081,6 +3081,8 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr) > } > } > > +#define MAX_LEN (1UL << MAX_ORDER << PAGE_SHIFT) > + > static int raw_cmd_copyin(int cmd, void __user *param, > struct floppy_raw_cmd **rcmd) > { > @@ -3108,7 +3110,7 @@ static int raw_cmd_copyin(int cmd, void __user *param, > ptr->resultcode = 0; > > if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) { > - if (ptr->length <= 0) > + if (ptr->length <= 0 || ptr->length >= MAX_LEN) > return -EINVAL; > ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length); > fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length); > > > Regards, > Xiongwei > > On Sun, Nov 14, 2021 at 11:37 AM syzbot > <syzbot+23a02c7df2cf2bc93fa2@syzkaller.appspotmail.com> wrote: >> >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: debe436e77c7 Merge tag 'ext4_for_linus' of git://git.kerne.. >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/log.txt?x=10bca72ab00000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=9d7259f0deb293aa >> dashboard link: https://syzkaller.appspot.com/bug?extid=23a02c7df2cf2bc93fa2 >> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 >> userspace arch: i386 >> >> Unfortunately, I don't have any reproducer for this issue yet. >> >> IMPORTANT: if you fix the issue, please add the following tag to the commit: >> Reported-by: syzbot+23a02c7df2cf2bc93fa2@syzkaller.appspotmail.com >> >> ------------[ cut here ]------------ >> WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 current_gfp_context include/linux/sched/mm.h:195 [inline] >> WARNING: CPU: 3 PID: 16525 at mm/page_alloc.c:5344 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5356 >> Modules linked in: >> CPU: 3 PID: 16525 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0 >> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 >> RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5344 >> Code: be c9 00 00 00 48 c7 c7 20 4a 97 89 c6 05 62 32 a7 0b 01 e8 74 9a 42 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 1e 76 ff ff e9 >> RSP: 0018:ffffc90023b87850 EFLAGS: 00010246 >> RAX: 0000000000000000 RBX: 1ffff92004770f0b RCX: dffffc0000000000 >> RDX: 0000000000000000 RSI: 0000000000000033 RDI: 0000000000010cc1 >> RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 >> R10: ffffffff81bb4686 R11: 0000000000000001 R12: ffffffff902c1960 >> R13: 0000000000000033 R14: 0000000000000000 R15: ffff88804cf64a30 >> FS: 0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f44b4b40 >> CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 >> CR2: 000000002c921000 CR3: 000000004f507000 CR4: 0000000000150ee0 >> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 >> Call Trace: >> <TASK> >> alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 >> __get_free_pages+0x8/0x40 mm/page_alloc.c:5418 >> raw_cmd_copyin drivers/block/floppy.c:3113 [inline] >> raw_cmd_ioctl drivers/block/floppy.c:3160 [inline] >> fd_locked_ioctl+0x12e5/0x2820 drivers/block/floppy.c:3528 >> fd_ioctl drivers/block/floppy.c:3555 [inline] >> fd_compat_ioctl+0x891/0x1b60 drivers/block/floppy.c:3869 >> compat_blkdev_ioctl+0x3b8/0x810 block/ioctl.c:662 >> __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 >> do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] >> __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 >> do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 >> entry_SYSENTER_compat_after_hwframe+0x4d/0x5c >> RIP: 0023:0xf6eba549 >> Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 >> RSP: 002b:00000000f44b45fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 >> RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000258 >> RDX: 0000000020000400 RSI: 0000000000000000 RDI: 0000000000000000 >> RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 >> R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 >> R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 >> </TASK> >> ---------------- >> Code disassembly (best guess): >> 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi >> 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d >> a: 10 06 adc %al,(%rsi) >> c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi >> 10: 10 07 adc %al,(%rdi) >> 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi >> 16: 10 08 adc %cl,(%rax) >> 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi >> 1c: 00 00 add %al,(%rax) >> 1e: 00 00 add %al,(%rax) >> 20: 00 51 52 add %dl,0x52(%rcx) >> 23: 55 push %rbp >> 24: 89 e5 mov %esp,%ebp >> 26: 0f 34 sysenter >> 28: cd 80 int $0x80 >> * 2a: 5d pop %rbp <-- trapping instruction >> 2b: 5a pop %rdx >> 2c: 59 pop %rcx >> 2d: c3 retq >> 2e: 90 nop >> 2f: 90 nop >> 30: 90 nop >> 31: 90 nop >> 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi >> 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi >> >> >> --- >> This report is generated by a bot. It may contain errors. >> See https://goo.gl/tpsmEJ for more information about syzbot. >> syzbot engineers can be reached at syzkaller@googlegroups.com. >> >> syzbot will keep track of this issue. See: >> https://goo.gl/tpsmEJ#status for how to communicate with syzbot. >> >> -- >> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. >> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. >> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000000ff7d605d0b76901%40google.com. ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-11-15 8:15 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-11-14 3:37 [syzbot] WARNING in __get_free_pages syzbot 2021-11-15 8:15 ` Xiongwei Song 2021-11-15 8:15 ` syzbot
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